Home / 42,951.15-59,255.07-28,808.55

Finding the Fourth Proportional to 42,951.15, 59,255.07 and 28,808.55

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Solution

The fourth proportional to 42,951.15, 59,255.07 and 28,808.55 is: 39,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,951.15 : 59,255.07 = 28,808.55 : x
  2. Step 2: Convert to fraction form
    42,951.15/59,255.07 = 28,808.55/x
  3. Step 3: Cross multiply
    42,951.15x = 59,255.07 × 28,808.55
  4. Step 4: Simplify right side
    42,951.15x = 1,707,052,646.85
  5. Step 5: Solve for x
    x = 1,707,052,646.85/42,951.15
  6. Step 6: Final answer
    x = 39,744.05

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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.