Home / 40,726.89-61,071.03-15,778.62

Finding the Fourth Proportional to 40,726.89, 61,071.03 and 15,778.62

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Solution

The fourth proportional to 40,726.89, 61,071.03 and 15,778.62 is: 23,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.89 : 61,071.03 = 15,778.62 : x
  2. Step 2: Convert to fraction form
    40,726.89/61,071.03 = 15,778.62/x
  3. Step 3: Cross multiply
    40,726.89x = 61,071.03 × 15,778.62
  4. Step 4: Simplify right side
    40,726.89x = 963,616,575.38
  5. Step 5: Solve for x
    x = 963,616,575.38/40,726.89
  6. Step 6: Final answer
    x = 23,660.45

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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.