Home / 31,555.47-47,331.59-9,369.03

Finding the Fourth Proportional to 31,555.47, 47,331.59 and 9,369.03

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Solution

The fourth proportional to 31,555.47, 47,331.59 and 9,369.03 is: 14,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.47 : 47,331.59 = 9,369.03 : x
  2. Step 2: Convert to fraction form
    31,555.47/47,331.59 = 9,369.03/x
  3. Step 3: Cross multiply
    31,555.47x = 47,331.59 × 9,369.03
  4. Step 4: Simplify right side
    31,555.47x = 443,451,039.81
  5. Step 5: Solve for x
    x = 443,451,039.81/31,555.47
  6. Step 6: Final answer
    x = 14,053.06

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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.