Home / 42,532.20-58,775.40-31,903.38

Finding the Fourth Proportional to 42,532.20, 58,775.40 and 31,903.38

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Solution

The fourth proportional to 42,532.20, 58,775.40 and 31,903.38 is: 44,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532.20 : 58,775.40 = 31,903.38 : x
  2. Step 2: Convert to fraction form
    42,532.20/58,775.40 = 31,903.38/x
  3. Step 3: Cross multiply
    42,532.20x = 58,775.40 × 31,903.38
  4. Step 4: Simplify right side
    42,532.20x = 1,875,133,920.85
  5. Step 5: Solve for x
    x = 1,875,133,920.85/42,532.20
  6. Step 6: Final answer
    x = 44,087.40

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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.