Home / 31,397.18-47,094.54-10,620.68

Finding the Fourth Proportional to 31,397.18, 47,094.54 and 10,620.68

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Solution

The fourth proportional to 31,397.18, 47,094.54 and 10,620.68 is: 15,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.18 : 47,094.54 = 10,620.68 : x
  2. Step 2: Convert to fraction form
    31,397.18/47,094.54 = 10,620.68/x
  3. Step 3: Cross multiply
    31,397.18x = 47,094.54 × 10,620.68
  4. Step 4: Simplify right side
    31,397.18x = 500,176,039.09
  5. Step 5: Solve for x
    x = 500,176,039.09/31,397.18
  6. Step 6: Final answer
    x = 15,930.60

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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.