Home / 49,008.20-73,415.10-28,207.40

Finding the Fourth Proportional to 49,008.20, 73,415.10 and 28,207.40

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Solution

The fourth proportional to 49,008.20, 73,415.10 and 28,207.40 is: 42,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,008.20 : 73,415.10 = 28,207.40 : x
  2. Step 2: Convert to fraction form
    49,008.20/73,415.10 = 28,207.40/x
  3. Step 3: Cross multiply
    49,008.20x = 73,415.10 × 28,207.40
  4. Step 4: Simplify right side
    49,008.20x = 2,070,849,091.74
  5. Step 5: Solve for x
    x = 2,070,849,091.74/49,008.20
  6. Step 6: Final answer
    x = 42,255.16

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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.