Home / 60,320.84-83,245.38-40,145.48

Finding the Fourth Proportional to 60,320.84, 83,245.38 and 40,145.48

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Solution

The fourth proportional to 60,320.84, 83,245.38 and 40,145.48 is: 55,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,320.84 : 83,245.38 = 40,145.48 : x
  2. Step 2: Convert to fraction form
    60,320.84/83,245.38 = 40,145.48/x
  3. Step 3: Cross multiply
    60,320.84x = 83,245.38 × 40,145.48
  4. Step 4: Simplify right side
    60,320.84x = 3,341,925,737.88
  5. Step 5: Solve for x
    x = 3,341,925,737.88/60,320.84
  6. Step 6: Final answer
    x = 55,402.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.