Home / 45,068.28-67,612.08-13,480.79

Finding the Fourth Proportional to 45,068.28, 67,612.08 and 13,480.79

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Solution

The fourth proportional to 45,068.28, 67,612.08 and 13,480.79 is: 20,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,068.28 : 67,612.08 = 13,480.79 : x
  2. Step 2: Convert to fraction form
    45,068.28/67,612.08 = 13,480.79/x
  3. Step 3: Cross multiply
    45,068.28x = 67,612.08 × 13,480.79
  4. Step 4: Simplify right side
    45,068.28x = 911,463,913.88
  5. Step 5: Solve for x
    x = 911,463,913.88/45,068.28
  6. Step 6: Final answer
    x = 20,224.07

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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.