Home / 39,960.55-59,944.07-13,305.58

Finding the Fourth Proportional to 39,960.55, 59,944.07 and 13,305.58

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Solution

The fourth proportional to 39,960.55, 59,944.07 and 13,305.58 is: 19,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.55 : 59,944.07 = 13,305.58 : x
  2. Step 2: Convert to fraction form
    39,960.55/59,944.07 = 13,305.58/x
  3. Step 3: Cross multiply
    39,960.55x = 59,944.07 × 13,305.58
  4. Step 4: Simplify right side
    39,960.55x = 797,590,502.31
  5. Step 5: Solve for x
    x = 797,590,502.31/39,960.55
  6. Step 6: Final answer
    x = 19,959.45

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1.5x scale

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.