Home / 31,545.72-47,316.96-9,359.28

Finding the Fourth Proportional to 31,545.72, 47,316.96 and 9,359.28

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Solution

The fourth proportional to 31,545.72, 47,316.96 and 9,359.28 is: 14,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.72 : 47,316.96 = 9,359.28 : x
  2. Step 2: Convert to fraction form
    31,545.72/47,316.96 = 9,359.28/x
  3. Step 3: Cross multiply
    31,545.72x = 47,316.96 × 9,359.28
  4. Step 4: Simplify right side
    31,545.72x = 442,852,677.39
  5. Step 5: Solve for x
    x = 442,852,677.39/31,545.72
  6. Step 6: Final answer
    x = 14,038.44

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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.