Home / 31,427.55-47,141.91-25,158.47

Finding the Fourth Proportional to 31,427.55, 47,141.91 and 25,158.47

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Solution

The fourth proportional to 31,427.55, 47,141.91 and 25,158.47 is: 37,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.55 : 47,141.91 = 25,158.47 : x
  2. Step 2: Convert to fraction form
    31,427.55/47,141.91 = 25,158.47/x
  3. Step 3: Cross multiply
    31,427.55x = 47,141.91 × 25,158.47
  4. Step 4: Simplify right side
    31,427.55x = 1,186,018,092.77
  5. Step 5: Solve for x
    x = 1,186,018,092.77/31,427.55
  6. Step 6: Final answer
    x = 37,738.17

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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.