Home / 31,842.02-47,762.22-15,213.80

Finding the Fourth Proportional to 31,842.02, 47,762.22 and 15,213.80

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Solution

The fourth proportional to 31,842.02, 47,762.22 and 15,213.80 is: 22,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.02 : 47,762.22 = 15,213.80 : x
  2. Step 2: Convert to fraction form
    31,842.02/47,762.22 = 15,213.80/x
  3. Step 3: Cross multiply
    31,842.02x = 47,762.22 × 15,213.80
  4. Step 4: Simplify right side
    31,842.02x = 726,644,862.64
  5. Step 5: Solve for x
    x = 726,644,862.64/31,842.02
  6. Step 6: Final answer
    x = 22,820.31

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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.