Home / 40,483.55-60,318.27-38,220

Finding the Fourth Proportional to 40,483.55, 60,318.27 and 38,220

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Solution

The fourth proportional to 40,483.55, 60,318.27 and 38,220 is: 56,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,483.55 : 60,318.27 = 38,220 : x
  2. Step 2: Convert to fraction form
    40,483.55/60,318.27 = 38,220/x
  3. Step 3: Cross multiply
    40,483.55x = 60,318.27 × 38,220
  4. Step 4: Simplify right side
    40,483.55x = 2,305,364,279.40
  5. Step 5: Solve for x
    x = 2,305,364,279.40/40,483.55
  6. Step 6: Final answer
    x = 56,945.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.