Home / 36,423.68-54,618.24-18,875.84

Finding the Fourth Proportional to 36,423.68, 54,618.24 and 18,875.84

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Solution

The fourth proportional to 36,423.68, 54,618.24 and 18,875.84 is: 28,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.68 : 54,618.24 = 18,875.84 : x
  2. Step 2: Convert to fraction form
    36,423.68/54,618.24 = 18,875.84/x
  3. Step 3: Cross multiply
    36,423.68x = 54,618.24 × 18,875.84
  4. Step 4: Simplify right side
    36,423.68x = 1,030,965,159.32
  5. Step 5: Solve for x
    x = 1,030,965,159.32/36,423.68
  6. Step 6: Final answer
    x = 28,304.80

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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.