Home / 30,266.24-45,398.88-13,614.51

Finding the Fourth Proportional to 30,266.24, 45,398.88 and 13,614.51

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Solution

The fourth proportional to 30,266.24, 45,398.88 and 13,614.51 is: 20,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.24 : 45,398.88 = 13,614.51 : x
  2. Step 2: Convert to fraction form
    30,266.24/45,398.88 = 13,614.51/x
  3. Step 3: Cross multiply
    30,266.24x = 45,398.88 × 13,614.51
  4. Step 4: Simplify right side
    30,266.24x = 618,083,505.75
  5. Step 5: Solve for x
    x = 618,083,505.75/30,266.24
  6. Step 6: Final answer
    x = 20,421.55

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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.