Home / 39,769.72-59,641.89-13,110.74

Finding the Fourth Proportional to 39,769.72, 59,641.89 and 13,110.74

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Solution

The fourth proportional to 39,769.72, 59,641.89 and 13,110.74 is: 19,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,769.72 : 59,641.89 = 13,110.74 : x
  2. Step 2: Convert to fraction form
    39,769.72/59,641.89 = 13,110.74/x
  3. Step 3: Cross multiply
    39,769.72x = 59,641.89 × 13,110.74
  4. Step 4: Simplify right side
    39,769.72x = 781,949,132.06
  5. Step 5: Solve for x
    x = 781,949,132.06/39,769.72
  6. Step 6: Final answer
    x = 19,661.92

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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.