Home / 43,830.80-65,746.20-25,168.40

Finding the Fourth Proportional to 43,830.80, 65,746.20 and 25,168.40

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Solution

The fourth proportional to 43,830.80, 65,746.20 and 25,168.40 is: 37,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830.80 : 65,746.20 = 25,168.40 : x
  2. Step 2: Convert to fraction form
    43,830.80/65,746.20 = 25,168.40/x
  3. Step 3: Cross multiply
    43,830.80x = 65,746.20 × 25,168.40
  4. Step 4: Simplify right side
    43,830.80x = 1,654,726,660.08
  5. Step 5: Solve for x
    x = 1,654,726,660.08/43,830.80
  6. Step 6: Final answer
    x = 37,752.60

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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.