Home / 31,557.65-47,343.78-9,370.55

Finding the Fourth Proportional to 31,557.65, 47,343.78 and 9,370.55

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Solution

The fourth proportional to 31,557.65, 47,343.78 and 9,370.55 is: 14,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.65 : 47,343.78 = 9,370.55 : x
  2. Step 2: Convert to fraction form
    31,557.65/47,343.78 = 9,370.55/x
  3. Step 3: Cross multiply
    31,557.65x = 47,343.78 × 9,370.55
  4. Step 4: Simplify right side
    31,557.65x = 443,637,257.68
  5. Step 5: Solve for x
    x = 443,637,257.68/31,557.65
  6. Step 6: Final answer
    x = 14,057.99

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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.