Home / 31,545.63-47,328.30-9,359.12

Finding the Fourth Proportional to 31,545.63, 47,328.30 and 9,359.12

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Solution

The fourth proportional to 31,545.63, 47,328.30 and 9,359.12 is: 14,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.63 : 47,328.30 = 9,359.12 : x
  2. Step 2: Convert to fraction form
    31,545.63/47,328.30 = 9,359.12/x
  3. Step 3: Cross multiply
    31,545.63x = 47,328.30 × 9,359.12
  4. Step 4: Simplify right side
    31,545.63x = 442,951,002.45
  5. Step 5: Solve for x
    x = 442,951,002.45/31,545.63
  6. Step 6: Final answer
    x = 14,041.60

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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.