Home / 51,334.40-70,840.71-28,673.73

Finding the Fourth Proportional to 51,334.40, 70,840.71 and 28,673.73

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Solution

The fourth proportional to 51,334.40, 70,840.71 and 28,673.73 is: 39,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.40 : 70,840.71 = 28,673.73 : x
  2. Step 2: Convert to fraction form
    51,334.40/70,840.71 = 28,673.73/x
  3. Step 3: Cross multiply
    51,334.40x = 70,840.71 × 28,673.73
  4. Step 4: Simplify right side
    51,334.40x = 2,031,267,233.42
  5. Step 5: Solve for x
    x = 2,031,267,233.42/51,334.40
  6. Step 6: Final answer
    x = 39,569.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.