Home / 31,456.76-47,175.75-9,269.64

Finding the Fourth Proportional to 31,456.76, 47,175.75 and 9,269.64

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Solution

The fourth proportional to 31,456.76, 47,175.75 and 9,269.64 is: 13,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.76 : 47,175.75 = 9,269.64 : x
  2. Step 2: Convert to fraction form
    31,456.76/47,175.75 = 9,269.64/x
  3. Step 3: Cross multiply
    31,456.76x = 47,175.75 × 9,269.64
  4. Step 4: Simplify right side
    31,456.76x = 437,302,219.23
  5. Step 5: Solve for x
    x = 437,302,219.23/31,456.76
  6. Step 6: Final answer
    x = 13,901.70

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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.