Home / 39,964.20-59,816.70-31,151.40

Finding the Fourth Proportional to 39,964.20, 59,816.70 and 31,151.40

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Solution

The fourth proportional to 39,964.20, 59,816.70 and 31,151.40 is: 46,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.20 : 59,816.70 = 31,151.40 : x
  2. Step 2: Convert to fraction form
    39,964.20/59,816.70 = 31,151.40/x
  3. Step 3: Cross multiply
    39,964.20x = 59,816.70 × 31,151.40
  4. Step 4: Simplify right side
    39,964.20x = 1,863,373,948.38
  5. Step 5: Solve for x
    x = 1,863,373,948.38/39,964.20
  6. Step 6: Final answer
    x = 46,626.08

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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.