Home / 52,302.62-72,179.02-28,430.90

Finding the Fourth Proportional to 52,302.62, 72,179.02 and 28,430.90

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Solution

The fourth proportional to 52,302.62, 72,179.02 and 28,430.90 is: 39,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.62 : 72,179.02 = 28,430.90 : x
  2. Step 2: Convert to fraction form
    52,302.62/72,179.02 = 28,430.90/x
  3. Step 3: Cross multiply
    52,302.62x = 72,179.02 × 28,430.90
  4. Step 4: Simplify right side
    52,302.62x = 2,052,114,499.72
  5. Step 5: Solve for x
    x = 2,052,114,499.72/52,302.62
  6. Step 6: Final answer
    x = 39,235.41

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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.