Home / 42,212.04-58,519.01-39,964.92

Finding the Fourth Proportional to 42,212.04, 58,519.01 and 39,964.92

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Solution

The fourth proportional to 42,212.04, 58,519.01 and 39,964.92 is: 55,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.04 : 58,519.01 = 39,964.92 : x
  2. Step 2: Convert to fraction form
    42,212.04/58,519.01 = 39,964.92/x
  3. Step 3: Cross multiply
    42,212.04x = 58,519.01 × 39,964.92
  4. Step 4: Simplify right side
    42,212.04x = 2,338,707,353.30
  5. Step 5: Solve for x
    x = 2,338,707,353.30/42,212.04
  6. Step 6: Final answer
    x = 55,403.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.