Home / 31,701.85-47,551.15-10,642.06

Finding the Fourth Proportional to 31,701.85, 47,551.15 and 10,642.06

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Solution

The fourth proportional to 31,701.85, 47,551.15 and 10,642.06 is: 15,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.85 : 47,551.15 = 10,642.06 : x
  2. Step 2: Convert to fraction form
    31,701.85/47,551.15 = 10,642.06/x
  3. Step 3: Cross multiply
    31,701.85x = 47,551.15 × 10,642.06
  4. Step 4: Simplify right side
    31,701.85x = 506,041,927.01
  5. Step 5: Solve for x
    x = 506,041,927.01/31,701.85
  6. Step 6: Final answer
    x = 15,962.53

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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.