Home / 31,541.54-47,312.49-9,355.08

Finding the Fourth Proportional to 31,541.54, 47,312.49 and 9,355.08

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Solution

The fourth proportional to 31,541.54, 47,312.49 and 9,355.08 is: 14,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.54 : 47,312.49 = 9,355.08 : x
  2. Step 2: Convert to fraction form
    31,541.54/47,312.49 = 9,355.08/x
  3. Step 3: Cross multiply
    31,541.54x = 47,312.49 × 9,355.08
  4. Step 4: Simplify right side
    31,541.54x = 442,612,288.83
  5. Step 5: Solve for x
    x = 442,612,288.83/31,541.54
  6. Step 6: Final answer
    x = 14,032.68

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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.