Home / 39,920.19-59,863.81-13,627.05

Finding the Fourth Proportional to 39,920.19, 59,863.81 and 13,627.05

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Solution

The fourth proportional to 39,920.19, 59,863.81 and 13,627.05 is: 20,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.19 : 59,863.81 = 13,627.05 : x
  2. Step 2: Convert to fraction form
    39,920.19/59,863.81 = 13,627.05/x
  3. Step 3: Cross multiply
    39,920.19x = 59,863.81 × 13,627.05
  4. Step 4: Simplify right side
    39,920.19x = 815,767,132.06
  5. Step 5: Solve for x
    x = 815,767,132.06/39,920.19
  6. Step 6: Final answer
    x = 20,434.95

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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.