Home / 42,005.39-63,034.47-17,045.55

Finding the Fourth Proportional to 42,005.39, 63,034.47 and 17,045.55

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Solution

The fourth proportional to 42,005.39, 63,034.47 and 17,045.55 is: 25,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.39 : 63,034.47 = 17,045.55 : x
  2. Step 2: Convert to fraction form
    42,005.39/63,034.47 = 17,045.55/x
  3. Step 3: Cross multiply
    42,005.39x = 63,034.47 × 17,045.55
  4. Step 4: Simplify right side
    42,005.39x = 1,074,457,210.11
  5. Step 5: Solve for x
    x = 1,074,457,210.11/42,005.39
  6. Step 6: Final answer
    x = 25,579.03

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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.