Home / 48,535.14-66,968.15-28,388.08

Finding the Fourth Proportional to 48,535.14, 66,968.15 and 28,388.08

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Solution

The fourth proportional to 48,535.14, 66,968.15 and 28,388.08 is: 39,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.14 : 66,968.15 = 28,388.08 : x
  2. Step 2: Convert to fraction form
    48,535.14/66,968.15 = 28,388.08/x
  3. Step 3: Cross multiply
    48,535.14x = 66,968.15 × 28,388.08
  4. Step 4: Simplify right side
    48,535.14x = 1,901,097,199.65
  5. Step 5: Solve for x
    x = 1,901,097,199.65/48,535.14
  6. Step 6: Final answer
    x = 39,169.50

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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.