Home / 45,340.12-68,010.06-12,060.18

Finding the Fourth Proportional to 45,340.12, 68,010.06 and 12,060.18

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Solution

The fourth proportional to 45,340.12, 68,010.06 and 12,060.18 is: 18,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.12 : 68,010.06 = 12,060.18 : x
  2. Step 2: Convert to fraction form
    45,340.12/68,010.06 = 12,060.18/x
  3. Step 3: Cross multiply
    45,340.12x = 68,010.06 × 12,060.18
  4. Step 4: Simplify right side
    45,340.12x = 820,213,565.41
  5. Step 5: Solve for x
    x = 820,213,565.41/45,340.12
  6. Step 6: Final answer
    x = 18,090.24

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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.