Home / 40,170.79-60,283.82-13,875.58

Finding the Fourth Proportional to 40,170.79, 60,283.82 and 13,875.58

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Solution

The fourth proportional to 40,170.79, 60,283.82 and 13,875.58 is: 20,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.79 : 60,283.82 = 13,875.58 : x
  2. Step 2: Convert to fraction form
    40,170.79/60,283.82 = 13,875.58/x
  3. Step 3: Cross multiply
    40,170.79x = 60,283.82 × 13,875.58
  4. Step 4: Simplify right side
    40,170.79x = 836,472,967.12
  5. Step 5: Solve for x
    x = 836,472,967.12/40,170.79
  6. Step 6: Final answer
    x = 20,822.92

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1.5x scale

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.