Home / 45,560.50-68,341.36-15,979.20

Finding the Fourth Proportional to 45,560.50, 68,341.36 and 15,979.20

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Solution

The fourth proportional to 45,560.50, 68,341.36 and 15,979.20 is: 23,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,560.50 : 68,341.36 = 15,979.20 : x
  2. Step 2: Convert to fraction form
    45,560.50/68,341.36 = 15,979.20/x
  3. Step 3: Cross multiply
    45,560.50x = 68,341.36 × 15,979.20
  4. Step 4: Simplify right side
    45,560.50x = 1,092,040,259.71
  5. Step 5: Solve for x
    x = 1,092,040,259.71/45,560.50
  6. Step 6: Final answer
    x = 23,969.01

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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.