Home / 30,208.68-45,272.93-13,565.61

Finding the Fourth Proportional to 30,208.68, 45,272.93 and 13,565.61

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Solution

The fourth proportional to 30,208.68, 45,272.93 and 13,565.61 is: 20,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.68 : 45,272.93 = 13,565.61 : x
  2. Step 2: Convert to fraction form
    30,208.68/45,272.93 = 13,565.61/x
  3. Step 3: Cross multiply
    30,208.68x = 45,272.93 × 13,565.61
  4. Step 4: Simplify right side
    30,208.68x = 614,154,844.11
  5. Step 5: Solve for x
    x = 614,154,844.11/30,208.68
  6. Step 6: Final answer
    x = 20,330.41

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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.