Home / 42,040.08-58,015.50-23,178.48

Finding the Fourth Proportional to 42,040.08, 58,015.50 and 23,178.48

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Solution

The fourth proportional to 42,040.08, 58,015.50 and 23,178.48 is: 31,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.08 : 58,015.50 = 23,178.48 : x
  2. Step 2: Convert to fraction form
    42,040.08/58,015.50 = 23,178.48/x
  3. Step 3: Cross multiply
    42,040.08x = 58,015.50 × 23,178.48
  4. Step 4: Simplify right side
    42,040.08x = 1,344,711,106.44
  5. Step 5: Solve for x
    x = 1,344,711,106.44/42,040.08
  6. Step 6: Final answer
    x = 31,986.41

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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.