Home / 52,192.46-72,025.78-28,319.20

Finding the Fourth Proportional to 52,192.46, 72,025.78 and 28,319.20

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Solution

The fourth proportional to 52,192.46, 72,025.78 and 28,319.20 is: 39,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192.46 : 72,025.78 = 28,319.20 : x
  2. Step 2: Convert to fraction form
    52,192.46/72,025.78 = 28,319.20/x
  3. Step 3: Cross multiply
    52,192.46x = 72,025.78 × 28,319.20
  4. Step 4: Simplify right side
    52,192.46x = 2,039,712,468.98
  5. Step 5: Solve for x
    x = 2,039,712,468.98/52,192.46
  6. Step 6: Final answer
    x = 39,080.60

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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.