Home / 45,969.02-68,952.15-12,691.11

Finding the Fourth Proportional to 45,969.02, 68,952.15 and 12,691.11

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Solution

The fourth proportional to 45,969.02, 68,952.15 and 12,691.11 is: 19,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.02 : 68,952.15 = 12,691.11 : x
  2. Step 2: Convert to fraction form
    45,969.02/68,952.15 = 12,691.11/x
  3. Step 3: Cross multiply
    45,969.02x = 68,952.15 × 12,691.11
  4. Step 4: Simplify right side
    45,969.02x = 875,079,256.93
  5. Step 5: Solve for x
    x = 875,079,256.93/45,969.02
  6. Step 6: Final answer
    x = 19,036.28

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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.