Home / 31,341.06-47,006.94-9,148.47

Finding the Fourth Proportional to 31,341.06, 47,006.94 and 9,148.47

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Solution

The fourth proportional to 31,341.06, 47,006.94 and 9,148.47 is: 13,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.06 : 47,006.94 = 9,148.47 : x
  2. Step 2: Convert to fraction form
    31,341.06/47,006.94 = 9,148.47/x
  3. Step 3: Cross multiply
    31,341.06x = 47,006.94 × 9,148.47
  4. Step 4: Simplify right side
    31,341.06x = 430,041,580.38
  5. Step 5: Solve for x
    x = 430,041,580.38/31,341.06
  6. Step 6: Final answer
    x = 13,721.35

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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.