Home / 52,301.48-72,176.13-28,428.09

Finding the Fourth Proportional to 52,301.48, 72,176.13 and 28,428.09

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Solution

The fourth proportional to 52,301.48, 72,176.13 and 28,428.09 is: 39,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.48 : 72,176.13 = 28,428.09 : x
  2. Step 2: Convert to fraction form
    52,301.48/72,176.13 = 28,428.09/x
  3. Step 3: Cross multiply
    52,301.48x = 72,176.13 × 28,428.09
  4. Step 4: Simplify right side
    52,301.48x = 2,051,829,519.49
  5. Step 5: Solve for x
    x = 2,051,829,519.49/52,301.48
  6. Step 6: Final answer
    x = 39,230.81

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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.