Home / 31,341.56-47,007.69-9,148.97

Finding the Fourth Proportional to 31,341.56, 47,007.69 and 9,148.97

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Solution

The fourth proportional to 31,341.56, 47,007.69 and 9,148.97 is: 13,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.56 : 47,007.69 = 9,148.97 : x
  2. Step 2: Convert to fraction form
    31,341.56/47,007.69 = 9,148.97/x
  3. Step 3: Cross multiply
    31,341.56x = 47,007.69 × 9,148.97
  4. Step 4: Simplify right side
    31,341.56x = 430,071,945.58
  5. Step 5: Solve for x
    x = 430,071,945.58/31,341.56
  6. Step 6: Final answer
    x = 13,722.10

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1.5x scale

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.