Home / 45,341.12-68,011.56-12,061.18

Finding the Fourth Proportional to 45,341.12, 68,011.56 and 12,061.18

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Solution

The fourth proportional to 45,341.12, 68,011.56 and 12,061.18 is: 18,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,341.12 : 68,011.56 = 12,061.18 : x
  2. Step 2: Convert to fraction form
    45,341.12/68,011.56 = 12,061.18/x
  3. Step 3: Cross multiply
    45,341.12x = 68,011.56 × 12,061.18
  4. Step 4: Simplify right side
    45,341.12x = 820,299,667.24
  5. Step 5: Solve for x
    x = 820,299,667.24/45,341.12
  6. Step 6: Final answer
    x = 18,091.74

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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.