Home / 30,248.78-45,382.40-15,468.08

Finding the Fourth Proportional to 30,248.78, 45,382.40 and 15,468.08

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Solution

The fourth proportional to 30,248.78, 45,382.40 and 15,468.08 is: 23,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.78 : 45,382.40 = 15,468.08 : x
  2. Step 2: Convert to fraction form
    30,248.78/45,382.40 = 15,468.08/x
  3. Step 3: Cross multiply
    30,248.78x = 45,382.40 × 15,468.08
  4. Step 4: Simplify right side
    30,248.78x = 701,978,593.79
  5. Step 5: Solve for x
    x = 701,978,593.79/30,248.78
  6. Step 6: Final answer
    x = 23,206.84

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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.