Home / 40,675.40-61,000.14-20,951.36

Finding the Fourth Proportional to 40,675.40, 61,000.14 and 20,951.36

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Solution

The fourth proportional to 40,675.40, 61,000.14 and 20,951.36 is: 31,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,675.40 : 61,000.14 = 20,951.36 : x
  2. Step 2: Convert to fraction form
    40,675.40/61,000.14 = 20,951.36/x
  3. Step 3: Cross multiply
    40,675.40x = 61,000.14 × 20,951.36
  4. Step 4: Simplify right side
    40,675.40x = 1,278,035,893.19
  5. Step 5: Solve for x
    x = 1,278,035,893.19/40,675.40
  6. Step 6: Final answer
    x = 31,420.36

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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.