Home / 52,312.81-72,191.50-28,439.32

Finding the Fourth Proportional to 52,312.81, 72,191.50 and 28,439.32

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Solution

The fourth proportional to 52,312.81, 72,191.50 and 28,439.32 is: 39,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.81 : 72,191.50 = 28,439.32 : x
  2. Step 2: Convert to fraction form
    52,312.81/72,191.50 = 28,439.32/x
  3. Step 3: Cross multiply
    52,312.81x = 72,191.50 × 28,439.32
  4. Step 4: Simplify right side
    52,312.81x = 2,053,077,169.78
  5. Step 5: Solve for x
    x = 2,053,077,169.78/52,312.81
  6. Step 6: Final answer
    x = 39,246.16

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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.