Home / 40,320.92-60,443.60-13,648.25

Finding the Fourth Proportional to 40,320.92, 60,443.60 and 13,648.25

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Solution

The fourth proportional to 40,320.92, 60,443.60 and 13,648.25 is: 20,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.92 : 60,443.60 = 13,648.25 : x
  2. Step 2: Convert to fraction form
    40,320.92/60,443.60 = 13,648.25/x
  3. Step 3: Cross multiply
    40,320.92x = 60,443.60 × 13,648.25
  4. Step 4: Simplify right side
    40,320.92x = 824,949,240.92
  5. Step 5: Solve for x
    x = 824,949,240.92/40,320.92
  6. Step 6: Final answer
    x = 20,459.58

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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.