Home / 52,209.09-72,048.56-28,335.74

Finding the Fourth Proportional to 52,209.09, 72,048.56 and 28,335.74

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Solution

The fourth proportional to 52,209.09, 72,048.56 and 28,335.74 is: 39,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.09 : 72,048.56 = 28,335.74 : x
  2. Step 2: Convert to fraction form
    52,209.09/72,048.56 = 28,335.74/x
  3. Step 3: Cross multiply
    52,209.09x = 72,048.56 × 28,335.74
  4. Step 4: Simplify right side
    52,209.09x = 2,041,548,761.61
  5. Step 5: Solve for x
    x = 2,041,548,761.61/52,209.09
  6. Step 6: Final answer
    x = 39,103.32

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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.