Home / 37,969.80-56,960.86-14,279.20

Finding the Fourth Proportional to 37,969.80, 56,960.86 and 14,279.20

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Solution

The fourth proportional to 37,969.80, 56,960.86 and 14,279.20 is: 21,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,969.80 : 56,960.86 = 14,279.20 : x
  2. Step 2: Convert to fraction form
    37,969.80/56,960.86 = 14,279.20/x
  3. Step 3: Cross multiply
    37,969.80x = 56,960.86 × 14,279.20
  4. Step 4: Simplify right side
    37,969.80x = 813,355,512.11
  5. Step 5: Solve for x
    x = 813,355,512.11/37,969.80
  6. Step 6: Final answer
    x = 21,421.12

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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.