Home / 52,330.87-72,217.32-28,457.92

Finding the Fourth Proportional to 52,330.87, 72,217.32 and 28,457.92

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Solution

The fourth proportional to 52,330.87, 72,217.32 and 28,457.92 is: 39,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.87 : 72,217.32 = 28,457.92 : x
  2. Step 2: Convert to fraction form
    52,330.87/72,217.32 = 28,457.92/x
  3. Step 3: Cross multiply
    52,330.87x = 72,217.32 × 28,457.92
  4. Step 4: Simplify right side
    52,330.87x = 2,055,154,354.09
  5. Step 5: Solve for x
    x = 2,055,154,354.09/52,330.87
  6. Step 6: Final answer
    x = 39,272.32

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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.