Home / 40,220.55-60,348.65-13,944.15

Finding the Fourth Proportional to 40,220.55, 60,348.65 and 13,944.15

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Solution

The fourth proportional to 40,220.55, 60,348.65 and 13,944.15 is: 20,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.55 : 60,348.65 = 13,944.15 : x
  2. Step 2: Convert to fraction form
    40,220.55/60,348.65 = 13,944.15/x
  3. Step 3: Cross multiply
    40,220.55x = 60,348.65 × 13,944.15
  4. Step 4: Simplify right side
    40,220.55x = 841,510,558.18
  5. Step 5: Solve for x
    x = 841,510,558.18/40,220.55
  6. Step 6: Final answer
    x = 20,922.40

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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.