Home / 51,336.36-70,839.06-28,671.74

Finding the Fourth Proportional to 51,336.36, 70,839.06 and 28,671.74

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Solution

The fourth proportional to 51,336.36, 70,839.06 and 28,671.74 is: 39,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.36 : 70,839.06 = 28,671.74 : x
  2. Step 2: Convert to fraction form
    51,336.36/70,839.06 = 28,671.74/x
  3. Step 3: Cross multiply
    51,336.36x = 70,839.06 × 28,671.74
  4. Step 4: Simplify right side
    51,336.36x = 2,031,079,110.16
  5. Step 5: Solve for x
    x = 2,031,079,110.16/51,336.36
  6. Step 6: Final answer
    x = 39,564.14

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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.