Home / 31,041.34-42,835.78-17,612.30

Finding the Fourth Proportional to 31,041.34, 42,835.78 and 17,612.30

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Solution

The fourth proportional to 31,041.34, 42,835.78 and 17,612.30 is: 24,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.34 : 42,835.78 = 17,612.30 : x
  2. Step 2: Convert to fraction form
    31,041.34/42,835.78 = 17,612.30/x
  3. Step 3: Cross multiply
    31,041.34x = 42,835.78 × 17,612.30
  4. Step 4: Simplify right side
    31,041.34x = 754,436,608.09
  5. Step 5: Solve for x
    x = 754,436,608.09/31,041.34
  6. Step 6: Final answer
    x = 24,304.25

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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.