Home / 42,124.04-63,197.87-18,433.65

Finding the Fourth Proportional to 42,124.04, 63,197.87 and 18,433.65

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Solution

The fourth proportional to 42,124.04, 63,197.87 and 18,433.65 is: 27,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.04 : 63,197.87 = 18,433.65 : x
  2. Step 2: Convert to fraction form
    42,124.04/63,197.87 = 18,433.65/x
  3. Step 3: Cross multiply
    42,124.04x = 63,197.87 × 18,433.65
  4. Step 4: Simplify right side
    42,124.04x = 1,164,967,324.16
  5. Step 5: Solve for x
    x = 1,164,967,324.16/42,124.04
  6. Step 6: Final answer
    x = 27,655.64

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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.