Home / 30,287.28-45,438.48-10,566

Finding the Fourth Proportional to 30,287.28, 45,438.48 and 10,566

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Solution

The fourth proportional to 30,287.28, 45,438.48 and 10,566 is: 15,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.28 : 45,438.48 = 10,566 : x
  2. Step 2: Convert to fraction form
    30,287.28/45,438.48 = 10,566/x
  3. Step 3: Cross multiply
    30,287.28x = 45,438.48 × 10,566
  4. Step 4: Simplify right side
    30,287.28x = 480,102,979.68
  5. Step 5: Solve for x
    x = 480,102,979.68/30,287.28
  6. Step 6: Final answer
    x = 15,851.64

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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.