Home / 42,047.88-63,077.58-18,673.80

Finding the Fourth Proportional to 42,047.88, 63,077.58 and 18,673.80

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Solution

The fourth proportional to 42,047.88, 63,077.58 and 18,673.80 is: 28,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,047.88 : 63,077.58 = 18,673.80 : x
  2. Step 2: Convert to fraction form
    42,047.88/63,077.58 = 18,673.80/x
  3. Step 3: Cross multiply
    42,047.88x = 63,077.58 × 18,673.80
  4. Step 4: Simplify right side
    42,047.88x = 1,177,898,113.40
  5. Step 5: Solve for x
    x = 1,177,898,113.40/42,047.88
  6. Step 6: Final answer
    x = 28,013.26

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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.