Home / 43,999.07-60,702.80-28,899.90

Finding the Fourth Proportional to 43,999.07, 60,702.80 and 28,899.90

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Solution

The fourth proportional to 43,999.07, 60,702.80 and 28,899.90 is: 39,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.07 : 60,702.80 = 28,899.90 : x
  2. Step 2: Convert to fraction form
    43,999.07/60,702.80 = 28,899.90/x
  3. Step 3: Cross multiply
    43,999.07x = 60,702.80 × 28,899.90
  4. Step 4: Simplify right side
    43,999.07x = 1,754,304,705.22
  5. Step 5: Solve for x
    x = 1,754,304,705.22/43,999.07
  6. Step 6: Final answer
    x = 39,871.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.