Home / 47,398.49-70,888.60-42,170.19

Finding the Fourth Proportional to 47,398.49, 70,888.60 and 42,170.19

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Solution

The fourth proportional to 47,398.49, 70,888.60 and 42,170.19 is: 63,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,398.49 : 70,888.60 = 42,170.19 : x
  2. Step 2: Convert to fraction form
    47,398.49/70,888.60 = 42,170.19/x
  3. Step 3: Cross multiply
    47,398.49x = 70,888.60 × 42,170.19
  4. Step 4: Simplify right side
    47,398.49x = 2,989,386,049.38
  5. Step 5: Solve for x
    x = 2,989,386,049.38/47,398.49
  6. Step 6: Final answer
    x = 63,069.22

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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.