Home / 31,526.12-43,506.02-17,379.20

Finding the Fourth Proportional to 31,526.12, 43,506.02 and 17,379.20

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Solution

The fourth proportional to 31,526.12, 43,506.02 and 17,379.20 is: 23,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.12 : 43,506.02 = 17,379.20 : x
  2. Step 2: Convert to fraction form
    31,526.12/43,506.02 = 17,379.20/x
  3. Step 3: Cross multiply
    31,526.12x = 43,506.02 × 17,379.20
  4. Step 4: Simplify right side
    31,526.12x = 756,099,822.78
  5. Step 5: Solve for x
    x = 756,099,822.78/31,526.12
  6. Step 6: Final answer
    x = 23,983.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.