Home / 42,412.96-58,545.60-36,420.58

Finding the Fourth Proportional to 42,412.96, 58,545.60 and 36,420.58

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Solution

The fourth proportional to 42,412.96, 58,545.60 and 36,420.58 is: 50,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.96 : 58,545.60 = 36,420.58 : x
  2. Step 2: Convert to fraction form
    42,412.96/58,545.60 = 36,420.58/x
  3. Step 3: Cross multiply
    42,412.96x = 58,545.60 × 36,420.58
  4. Step 4: Simplify right side
    42,412.96x = 2,132,264,708.45
  5. Step 5: Solve for x
    x = 2,132,264,708.45/42,412.96
  6. Step 6: Final answer
    x = 50,273.90

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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.