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Finding the Fourth Proportional to 60,160.37, 82,984.98 and 38,642.87

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Solution

The fourth proportional to 60,160.37, 82,984.98 and 38,642.87 is: 53,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,160.37 : 82,984.98 = 38,642.87 : x
  2. Step 2: Convert to fraction form
    60,160.37/82,984.98 = 38,642.87/x
  3. Step 3: Cross multiply
    60,160.37x = 82,984.98 × 38,642.87
  4. Step 4: Simplify right side
    60,160.37x = 3,206,777,379.17
  5. Step 5: Solve for x
    x = 3,206,777,379.17/60,160.37
  6. Step 6: Final answer
    x = 53,303.82

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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.