Home / 42,144.39-58,159.08-23,281.65

Finding the Fourth Proportional to 42,144.39, 58,159.08 and 23,281.65

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Solution

The fourth proportional to 42,144.39, 58,159.08 and 23,281.65 is: 32,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.39 : 58,159.08 = 23,281.65 : x
  2. Step 2: Convert to fraction form
    42,144.39/58,159.08 = 23,281.65/x
  3. Step 3: Cross multiply
    42,144.39x = 58,159.08 × 23,281.65
  4. Step 4: Simplify right side
    42,144.39x = 1,354,039,344.88
  5. Step 5: Solve for x
    x = 1,354,039,344.88/42,144.39
  6. Step 6: Final answer
    x = 32,128.58

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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.