Home / 45,095.41-67,643.10-28,480.69

Finding the Fourth Proportional to 45,095.41, 67,643.10 and 28,480.69

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Solution

The fourth proportional to 45,095.41, 67,643.10 and 28,480.69 is: 42,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.41 : 67,643.10 = 28,480.69 : x
  2. Step 2: Convert to fraction form
    45,095.41/67,643.10 = 28,480.69/x
  3. Step 3: Cross multiply
    45,095.41x = 67,643.10 × 28,480.69
  4. Step 4: Simplify right side
    45,095.41x = 1,926,522,161.74
  5. Step 5: Solve for x
    x = 1,926,522,161.74/45,095.41
  6. Step 6: Final answer
    x = 42,721.03

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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.