Home / 48,979.68-67,615.04-28,830.08

Finding the Fourth Proportional to 48,979.68, 67,615.04 and 28,830.08

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Solution

The fourth proportional to 48,979.68, 67,615.04 and 28,830.08 is: 39,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.68 : 67,615.04 = 28,830.08 : x
  2. Step 2: Convert to fraction form
    48,979.68/67,615.04 = 28,830.08/x
  3. Step 3: Cross multiply
    48,979.68x = 67,615.04 × 28,830.08
  4. Step 4: Simplify right side
    48,979.68x = 1,949,347,012.40
  5. Step 5: Solve for x
    x = 1,949,347,012.40/48,979.68
  6. Step 6: Final answer
    x = 39,799.10

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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.