Home / 52,310.79-72,188.04-28,438.06

Finding the Fourth Proportional to 52,310.79, 72,188.04 and 28,438.06

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Solution

The fourth proportional to 52,310.79, 72,188.04 and 28,438.06 is: 39,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.79 : 72,188.04 = 28,438.06 : x
  2. Step 2: Convert to fraction form
    52,310.79/72,188.04 = 28,438.06/x
  3. Step 3: Cross multiply
    52,310.79x = 72,188.04 × 28,438.06
  4. Step 4: Simplify right side
    52,310.79x = 2,052,887,812.80
  5. Step 5: Solve for x
    x = 2,052,887,812.80/52,310.79
  6. Step 6: Final answer
    x = 39,244.06

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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.