Home / 52,312.29-72,190.11-28,439.56

Finding the Fourth Proportional to 52,312.29, 72,190.11 and 28,439.56

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Solution

The fourth proportional to 52,312.29, 72,190.11 and 28,439.56 is: 39,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.29 : 72,190.11 = 28,439.56 : x
  2. Step 2: Convert to fraction form
    52,312.29/72,190.11 = 28,439.56/x
  3. Step 3: Cross multiply
    52,312.29x = 72,190.11 × 28,439.56
  4. Step 4: Simplify right side
    52,312.29x = 2,053,054,964.75
  5. Step 5: Solve for x
    x = 2,053,054,964.75/52,312.29
  6. Step 6: Final answer
    x = 39,246.13

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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.