Home / 40,847.60-61,271.40-23,319.20

Finding the Fourth Proportional to 40,847.60, 61,271.40 and 23,319.20

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Solution

The fourth proportional to 40,847.60, 61,271.40 and 23,319.20 is: 34,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.60 : 61,271.40 = 23,319.20 : x
  2. Step 2: Convert to fraction form
    40,847.60/61,271.40 = 23,319.20/x
  3. Step 3: Cross multiply
    40,847.60x = 61,271.40 × 23,319.20
  4. Step 4: Simplify right side
    40,847.60x = 1,428,800,030.88
  5. Step 5: Solve for x
    x = 1,428,800,030.88/40,847.60
  6. Step 6: Final answer
    x = 34,978.80

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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.