Home / 32,815.64-45,281.78-18,665.48

Finding the Fourth Proportional to 32,815.64, 45,281.78 and 18,665.48

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Solution

The fourth proportional to 32,815.64, 45,281.78 and 18,665.48 is: 25,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.64 : 45,281.78 = 18,665.48 : x
  2. Step 2: Convert to fraction form
    32,815.64/45,281.78 = 18,665.48/x
  3. Step 3: Cross multiply
    32,815.64x = 45,281.78 × 18,665.48
  4. Step 4: Simplify right side
    32,815.64x = 845,206,158.95
  5. Step 5: Solve for x
    x = 845,206,158.95/32,815.64
  6. Step 6: Final answer
    x = 25,756.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.