Home / 40,966.02-61,449.82-12,885.48

Finding the Fourth Proportional to 40,966.02, 61,449.82 and 12,885.48

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Solution

The fourth proportional to 40,966.02, 61,449.82 and 12,885.48 is: 19,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.02 : 61,449.82 = 12,885.48 : x
  2. Step 2: Convert to fraction form
    40,966.02/61,449.82 = 12,885.48/x
  3. Step 3: Cross multiply
    40,966.02x = 61,449.82 × 12,885.48
  4. Step 4: Simplify right side
    40,966.02x = 791,810,426.61
  5. Step 5: Solve for x
    x = 791,810,426.61/40,966.02
  6. Step 6: Final answer
    x = 19,328.47

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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.