Home / 31,582.29-47,365.20-9,389.72

Finding the Fourth Proportional to 31,582.29, 47,365.20 and 9,389.72

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Solution

The fourth proportional to 31,582.29, 47,365.20 and 9,389.72 is: 14,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.29 : 47,365.20 = 9,389.72 : x
  2. Step 2: Convert to fraction form
    31,582.29/47,365.20 = 9,389.72/x
  3. Step 3: Cross multiply
    31,582.29x = 47,365.20 × 9,389.72
  4. Step 4: Simplify right side
    31,582.29x = 444,745,728.92
  5. Step 5: Solve for x
    x = 444,745,728.92/31,582.29
  6. Step 6: Final answer
    x = 14,082.12

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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.