Home / 45,423.17-62,630.34-31,089.90

Finding the Fourth Proportional to 45,423.17, 62,630.34 and 31,089.90

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Solution

The fourth proportional to 45,423.17, 62,630.34 and 31,089.90 is: 42,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.17 : 62,630.34 = 31,089.90 : x
  2. Step 2: Convert to fraction form
    45,423.17/62,630.34 = 31,089.90/x
  3. Step 3: Cross multiply
    45,423.17x = 62,630.34 × 31,089.90
  4. Step 4: Simplify right side
    45,423.17x = 1,947,171,007.57
  5. Step 5: Solve for x
    x = 1,947,171,007.57/45,423.17
  6. Step 6: Final answer
    x = 42,867.35

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1.5x scale

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.