Home / 39,570.68-59,370.06-13,275.38

Finding the Fourth Proportional to 39,570.68, 59,370.06 and 13,275.38

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Solution

The fourth proportional to 39,570.68, 59,370.06 and 13,275.38 is: 19,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.68 : 59,370.06 = 13,275.38 : x
  2. Step 2: Convert to fraction form
    39,570.68/59,370.06 = 13,275.38/x
  3. Step 3: Cross multiply
    39,570.68x = 59,370.06 × 13,275.38
  4. Step 4: Simplify right side
    39,570.68x = 788,160,107.12
  5. Step 5: Solve for x
    x = 788,160,107.12/39,570.68
  6. Step 6: Final answer
    x = 19,917.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.