Home / 51,572.28-71,176.22-31,435.47

Finding the Fourth Proportional to 51,572.28, 71,176.22 and 31,435.47

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Solution

The fourth proportional to 51,572.28, 71,176.22 and 31,435.47 is: 43,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.28 : 71,176.22 = 31,435.47 : x
  2. Step 2: Convert to fraction form
    51,572.28/71,176.22 = 31,435.47/x
  3. Step 3: Cross multiply
    51,572.28x = 71,176.22 × 31,435.47
  4. Step 4: Simplify right side
    51,572.28x = 2,237,457,928.52
  5. Step 5: Solve for x
    x = 2,237,457,928.52/51,572.28
  6. Step 6: Final answer
    x = 43,384.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.