Home / 31,851.02-47,760.14-14,305.80

Finding the Fourth Proportional to 31,851.02, 47,760.14 and 14,305.80

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Solution

The fourth proportional to 31,851.02, 47,760.14 and 14,305.80 is: 21,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.02 : 47,760.14 = 14,305.80 : x
  2. Step 2: Convert to fraction form
    31,851.02/47,760.14 = 14,305.80/x
  3. Step 3: Cross multiply
    31,851.02x = 47,760.14 × 14,305.80
  4. Step 4: Simplify right side
    31,851.02x = 683,247,010.81
  5. Step 5: Solve for x
    x = 683,247,010.81/31,851.02
  6. Step 6: Final answer
    x = 21,451.34

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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.