Home / 42,023.06-63,113.79-38,555.54

Finding the Fourth Proportional to 42,023.06, 63,113.79 and 38,555.54

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Solution

The fourth proportional to 42,023.06, 63,113.79 and 38,555.54 is: 57,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.06 : 63,113.79 = 38,555.54 : x
  2. Step 2: Convert to fraction form
    42,023.06/63,113.79 = 38,555.54/x
  3. Step 3: Cross multiply
    42,023.06x = 63,113.79 × 38,555.54
  4. Step 4: Simplify right side
    42,023.06x = 2,433,386,254.90
  5. Step 5: Solve for x
    x = 2,433,386,254.90/42,023.06
  6. Step 6: Final answer
    x = 57,905.97

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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.