Home / 42,107.40-58,117.99-27,769.83

Finding the Fourth Proportional to 42,107.40, 58,117.99 and 27,769.83

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Solution

The fourth proportional to 42,107.40, 58,117.99 and 27,769.83 is: 38,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.40 : 58,117.99 = 27,769.83 : x
  2. Step 2: Convert to fraction form
    42,107.40/58,117.99 = 27,769.83/x
  3. Step 3: Cross multiply
    42,107.40x = 58,117.99 × 27,769.83
  4. Step 4: Simplify right side
    42,107.40x = 1,613,926,519.01
  5. Step 5: Solve for x
    x = 1,613,926,519.01/42,107.40
  6. Step 6: Final answer
    x = 38,328.81

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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.