Home / 42,190.30-58,214.19-23,323.78

Finding the Fourth Proportional to 42,190.30, 58,214.19 and 23,323.78

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Solution

The fourth proportional to 42,190.30, 58,214.19 and 23,323.78 is: 32,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.30 : 58,214.19 = 23,323.78 : x
  2. Step 2: Convert to fraction form
    42,190.30/58,214.19 = 23,323.78/x
  3. Step 3: Cross multiply
    42,190.30x = 58,214.19 × 23,323.78
  4. Step 4: Simplify right side
    42,190.30x = 1,357,774,960.44
  5. Step 5: Solve for x
    x = 1,357,774,960.44/42,190.30
  6. Step 6: Final answer
    x = 32,182.16

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Double scale
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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.