Home / 48,480.06-66,920.60-28,343.40

Finding the Fourth Proportional to 48,480.06, 66,920.60 and 28,343.40

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Solution

The fourth proportional to 48,480.06, 66,920.60 and 28,343.40 is: 39,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.06 : 66,920.60 = 28,343.40 : x
  2. Step 2: Convert to fraction form
    48,480.06/66,920.60 = 28,343.40/x
  3. Step 3: Cross multiply
    48,480.06x = 66,920.60 × 28,343.40
  4. Step 4: Simplify right side
    48,480.06x = 1,896,757,334.04
  5. Step 5: Solve for x
    x = 1,896,757,334.04/48,480.06
  6. Step 6: Final answer
    x = 39,124.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.