Home / 40,430.34-60,643.45-15,468.47

Finding the Fourth Proportional to 40,430.34, 60,643.45 and 15,468.47

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Solution

The fourth proportional to 40,430.34, 60,643.45 and 15,468.47 is: 23,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.34 : 60,643.45 = 15,468.47 : x
  2. Step 2: Convert to fraction form
    40,430.34/60,643.45 = 15,468.47/x
  3. Step 3: Cross multiply
    40,430.34x = 60,643.45 × 15,468.47
  4. Step 4: Simplify right side
    40,430.34x = 938,061,330.55
  5. Step 5: Solve for x
    x = 938,061,330.55/40,430.34
  6. Step 6: Final answer
    x = 23,201.92

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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.