Home / 42,180.89-63,269.74-10,591.19

Finding the Fourth Proportional to 42,180.89, 63,269.74 and 10,591.19

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Solution

The fourth proportional to 42,180.89, 63,269.74 and 10,591.19 is: 15,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.89 : 63,269.74 = 10,591.19 : x
  2. Step 2: Convert to fraction form
    42,180.89/63,269.74 = 10,591.19/x
  3. Step 3: Cross multiply
    42,180.89x = 63,269.74 × 10,591.19
  4. Step 4: Simplify right side
    42,180.89x = 670,101,837.59
  5. Step 5: Solve for x
    x = 670,101,837.59/42,180.89
  6. Step 6: Final answer
    x = 15,886.38

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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.