Home / 44,785.36-67,178.28-13,620.52

Finding the Fourth Proportional to 44,785.36, 67,178.28 and 13,620.52

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Solution

The fourth proportional to 44,785.36, 67,178.28 and 13,620.52 is: 20,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,785.36 : 67,178.28 = 13,620.52 : x
  2. Step 2: Convert to fraction form
    44,785.36/67,178.28 = 13,620.52/x
  3. Step 3: Cross multiply
    44,785.36x = 67,178.28 × 13,620.52
  4. Step 4: Simplify right side
    44,785.36x = 915,003,106.31
  5. Step 5: Solve for x
    x = 915,003,106.31/44,785.36
  6. Step 6: Final answer
    x = 20,430.85

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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.