Home / 40,681.20-61,057.80-24,020.40

Finding the Fourth Proportional to 40,681.20, 61,057.80 and 24,020.40

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Solution

The fourth proportional to 40,681.20, 61,057.80 and 24,020.40 is: 36,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.20 : 61,057.80 = 24,020.40 : x
  2. Step 2: Convert to fraction form
    40,681.20/61,057.80 = 24,020.40/x
  3. Step 3: Cross multiply
    40,681.20x = 61,057.80 × 24,020.40
  4. Step 4: Simplify right side
    40,681.20x = 1,466,632,779.12
  5. Step 5: Solve for x
    x = 1,466,632,779.12/40,681.20
  6. Step 6: Final answer
    x = 36,051.86

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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.