Home / 40,830.40-61,159.20-32,017.60

Finding the Fourth Proportional to 40,830.40, 61,159.20 and 32,017.60

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Solution

The fourth proportional to 40,830.40, 61,159.20 and 32,017.60 is: 47,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.40 : 61,159.20 = 32,017.60 : x
  2. Step 2: Convert to fraction form
    40,830.40/61,159.20 = 32,017.60/x
  3. Step 3: Cross multiply
    40,830.40x = 61,159.20 × 32,017.60
  4. Step 4: Simplify right side
    40,830.40x = 1,958,170,801.92
  5. Step 5: Solve for x
    x = 1,958,170,801.92/40,830.40
  6. Step 6: Final answer
    x = 47,958.65

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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.