Home / 42,455.14-63,707.31-17,490.53

Finding the Fourth Proportional to 42,455.14, 63,707.31 and 17,490.53

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Solution

The fourth proportional to 42,455.14, 63,707.31 and 17,490.53 is: 26,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.14 : 63,707.31 = 17,490.53 : x
  2. Step 2: Convert to fraction form
    42,455.14/63,707.31 = 17,490.53/x
  3. Step 3: Cross multiply
    42,455.14x = 63,707.31 × 17,490.53
  4. Step 4: Simplify right side
    42,455.14x = 1,114,274,776.04
  5. Step 5: Solve for x
    x = 1,114,274,776.04/42,455.14
  6. Step 6: Final answer
    x = 26,245.93

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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.