Home / 31,348.02-47,030.13-11,632.20

Finding the Fourth Proportional to 31,348.02, 47,030.13 and 11,632.20

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Solution

The fourth proportional to 31,348.02, 47,030.13 and 11,632.20 is: 17,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.02 : 47,030.13 = 11,632.20 : x
  2. Step 2: Convert to fraction form
    31,348.02/47,030.13 = 11,632.20/x
  3. Step 3: Cross multiply
    31,348.02x = 47,030.13 × 11,632.20
  4. Step 4: Simplify right side
    31,348.02x = 547,063,878.19
  5. Step 5: Solve for x
    x = 547,063,878.19/31,348.02
  6. Step 6: Final answer
    x = 17,451.31

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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.