Home / 42,370.11-63,534.96-15,697.80

Finding the Fourth Proportional to 42,370.11, 63,534.96 and 15,697.80

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Solution

The fourth proportional to 42,370.11, 63,534.96 and 15,697.80 is: 23,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,370.11 : 63,534.96 = 15,697.80 : x
  2. Step 2: Convert to fraction form
    42,370.11/63,534.96 = 15,697.80/x
  3. Step 3: Cross multiply
    42,370.11x = 63,534.96 × 15,697.80
  4. Step 4: Simplify right side
    42,370.11x = 997,359,095.09
  5. Step 5: Solve for x
    x = 997,359,095.09/42,370.11
  6. Step 6: Final answer
    x = 23,539.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.