Home / 35,951.13-49,607.37-20,428.20

Finding the Fourth Proportional to 35,951.13, 49,607.37 and 20,428.20

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Solution

The fourth proportional to 35,951.13, 49,607.37 and 20,428.20 is: 28,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,951.13 : 49,607.37 = 20,428.20 : x
  2. Step 2: Convert to fraction form
    35,951.13/49,607.37 = 20,428.20/x
  3. Step 3: Cross multiply
    35,951.13x = 49,607.37 × 20,428.20
  4. Step 4: Simplify right side
    35,951.13x = 1,013,389,275.83
  5. Step 5: Solve for x
    x = 1,013,389,275.83/35,951.13
  6. Step 6: Final answer
    x = 28,187.97

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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.