Home / 51,333.95-70,840.10-28,673.26

Finding the Fourth Proportional to 51,333.95, 70,840.10 and 28,673.26

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Solution

The fourth proportional to 51,333.95, 70,840.10 and 28,673.26 is: 39,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.95 : 70,840.10 = 28,673.26 : x
  2. Step 2: Convert to fraction form
    51,333.95/70,840.10 = 28,673.26/x
  3. Step 3: Cross multiply
    51,333.95x = 70,840.10 × 28,673.26
  4. Step 4: Simplify right side
    51,333.95x = 2,031,216,605.73
  5. Step 5: Solve for x
    x = 2,031,216,605.73/51,333.95
  6. Step 6: Final answer
    x = 39,568.68

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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.