Home / 52,301.91-72,176.21-28,428.51

Finding the Fourth Proportional to 52,301.91, 72,176.21 and 28,428.51

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Solution

The fourth proportional to 52,301.91, 72,176.21 and 28,428.51 is: 39,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.91 : 72,176.21 = 28,428.51 : x
  2. Step 2: Convert to fraction form
    52,301.91/72,176.21 = 28,428.51/x
  3. Step 3: Cross multiply
    52,301.91x = 72,176.21 × 28,428.51
  4. Step 4: Simplify right side
    52,301.91x = 2,051,862,107.75
  5. Step 5: Solve for x
    x = 2,051,862,107.75/52,301.91
  6. Step 6: Final answer
    x = 39,231.11

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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.