Home / 39,425.76-59,129.70-11,345.76

Finding the Fourth Proportional to 39,425.76, 59,129.70 and 11,345.76

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Solution

The fourth proportional to 39,425.76, 59,129.70 and 11,345.76 is: 17,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.76 : 59,129.70 = 11,345.76 : x
  2. Step 2: Convert to fraction form
    39,425.76/59,129.70 = 11,345.76/x
  3. Step 3: Cross multiply
    39,425.76x = 59,129.70 × 11,345.76
  4. Step 4: Simplify right side
    39,425.76x = 670,871,385.07
  5. Step 5: Solve for x
    x = 670,871,385.07/39,425.76
  6. Step 6: Final answer
    x = 17,016.07

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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.