Home / 57,701.40-86,552.10-31,392.60

Finding the Fourth Proportional to 57,701.40, 86,552.10 and 31,392.60

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Solution

The fourth proportional to 57,701.40, 86,552.10 and 31,392.60 is: 47,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.40 : 86,552.10 = 31,392.60 : x
  2. Step 2: Convert to fraction form
    57,701.40/86,552.10 = 31,392.60/x
  3. Step 3: Cross multiply
    57,701.40x = 86,552.10 × 31,392.60
  4. Step 4: Simplify right side
    57,701.40x = 2,717,095,454.46
  5. Step 5: Solve for x
    x = 2,717,095,454.46/57,701.40
  6. Step 6: Final answer
    x = 47,088.90

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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.