Home / 36,030.80-53,974.20-31,701.20

Finding the Fourth Proportional to 36,030.80, 53,974.20 and 31,701.20

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Solution

The fourth proportional to 36,030.80, 53,974.20 and 31,701.20 is: 47,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.80 : 53,974.20 = 31,701.20 : x
  2. Step 2: Convert to fraction form
    36,030.80/53,974.20 = 31,701.20/x
  3. Step 3: Cross multiply
    36,030.80x = 53,974.20 × 31,701.20
  4. Step 4: Simplify right side
    36,030.80x = 1,711,046,909.04
  5. Step 5: Solve for x
    x = 1,711,046,909.04/36,030.80
  6. Step 6: Final answer
    x = 47,488.45

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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.