Home / 31,149.23-42,985.93-17,002.07

Finding the Fourth Proportional to 31,149.23, 42,985.93 and 17,002.07

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Solution

The fourth proportional to 31,149.23, 42,985.93 and 17,002.07 is: 23,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.23 : 42,985.93 = 17,002.07 : x
  2. Step 2: Convert to fraction form
    31,149.23/42,985.93 = 17,002.07/x
  3. Step 3: Cross multiply
    31,149.23x = 42,985.93 × 17,002.07
  4. Step 4: Simplify right side
    31,149.23x = 730,849,758.40
  5. Step 5: Solve for x
    x = 730,849,758.40/31,149.23
  6. Step 6: Final answer
    x = 23,462.86

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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.