Home / 30,385.13-45,577.49-8,200.74

Finding the Fourth Proportional to 30,385.13, 45,577.49 and 8,200.74

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Solution

The fourth proportional to 30,385.13, 45,577.49 and 8,200.74 is: 12,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.13 : 45,577.49 = 8,200.74 : x
  2. Step 2: Convert to fraction form
    30,385.13/45,577.49 = 8,200.74/x
  3. Step 3: Cross multiply
    30,385.13x = 45,577.49 × 8,200.74
  4. Step 4: Simplify right side
    30,385.13x = 373,769,275.25
  5. Step 5: Solve for x
    x = 373,769,275.25/30,385.13
  6. Step 6: Final answer
    x = 12,301.06

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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.