Home / 42,677.85-63,980.63-17,702.31

Finding the Fourth Proportional to 42,677.85, 63,980.63 and 17,702.31

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Solution

The fourth proportional to 42,677.85, 63,980.63 and 17,702.31 is: 26,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.85 : 63,980.63 = 17,702.31 : x
  2. Step 2: Convert to fraction form
    42,677.85/63,980.63 = 17,702.31/x
  3. Step 3: Cross multiply
    42,677.85x = 63,980.63 × 17,702.31
  4. Step 4: Simplify right side
    42,677.85x = 1,132,605,164.05
  5. Step 5: Solve for x
    x = 1,132,605,164.05/42,677.85
  6. Step 6: Final answer
    x = 26,538.48

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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.