Home / 42,316.34-63,478.71-15,669.44

Finding the Fourth Proportional to 42,316.34, 63,478.71 and 15,669.44

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Solution

The fourth proportional to 42,316.34, 63,478.71 and 15,669.44 is: 23,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.34 : 63,478.71 = 15,669.44 : x
  2. Step 2: Convert to fraction form
    42,316.34/63,478.71 = 15,669.44/x
  3. Step 3: Cross multiply
    42,316.34x = 63,478.71 × 15,669.44
  4. Step 4: Simplify right side
    42,316.34x = 994,675,837.62
  5. Step 5: Solve for x
    x = 994,675,837.62/42,316.34
  6. Step 6: Final answer
    x = 23,505.72

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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.