Home / 31,066.54-42,872.90-17,637.35

Finding the Fourth Proportional to 31,066.54, 42,872.90 and 17,637.35

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Solution

The fourth proportional to 31,066.54, 42,872.90 and 17,637.35 is: 24,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,066.54 : 42,872.90 = 17,637.35 : x
  2. Step 2: Convert to fraction form
    31,066.54/42,872.90 = 17,637.35/x
  3. Step 3: Cross multiply
    31,066.54x = 42,872.90 × 17,637.35
  4. Step 4: Simplify right side
    31,066.54x = 756,164,040.26
  5. Step 5: Solve for x
    x = 756,164,040.26/31,066.54
  6. Step 6: Final answer
    x = 24,340.15

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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.