Home / 31,669.02-47,496.40-9,479.55

Finding the Fourth Proportional to 31,669.02, 47,496.40 and 9,479.55

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Solution

The fourth proportional to 31,669.02, 47,496.40 and 9,479.55 is: 14,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.02 : 47,496.40 = 9,479.55 : x
  2. Step 2: Convert to fraction form
    31,669.02/47,496.40 = 9,479.55/x
  3. Step 3: Cross multiply
    31,669.02x = 47,496.40 × 9,479.55
  4. Step 4: Simplify right side
    31,669.02x = 450,244,498.62
  5. Step 5: Solve for x
    x = 450,244,498.62/31,669.02
  6. Step 6: Final answer
    x = 14,217.19

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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.