Home / 42,301.47-63,409.48-26,517.57

Finding the Fourth Proportional to 42,301.47, 63,409.48 and 26,517.57

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Solution

The fourth proportional to 42,301.47, 63,409.48 and 26,517.57 is: 39,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.47 : 63,409.48 = 26,517.57 : x
  2. Step 2: Convert to fraction form
    42,301.47/63,409.48 = 26,517.57/x
  3. Step 3: Cross multiply
    42,301.47x = 63,409.48 × 26,517.57
  4. Step 4: Simplify right side
    42,301.47x = 1,681,465,073.81
  5. Step 5: Solve for x
    x = 1,681,465,073.81/42,301.47
  6. Step 6: Final answer
    x = 39,749.57

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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.