Home / 31,351.02-47,034.63-11,635.20

Finding the Fourth Proportional to 31,351.02, 47,034.63 and 11,635.20

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Solution

The fourth proportional to 31,351.02, 47,034.63 and 11,635.20 is: 17,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.02 : 47,034.63 = 11,635.20 : x
  2. Step 2: Convert to fraction form
    31,351.02/47,034.63 = 11,635.20/x
  3. Step 3: Cross multiply
    31,351.02x = 47,034.63 × 11,635.20
  4. Step 4: Simplify right side
    31,351.02x = 547,257,326.98
  5. Step 5: Solve for x
    x = 547,257,326.98/31,351.02
  6. Step 6: Final answer
    x = 17,455.81

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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.