Home / 30,272.60-45,422.40-10,565.30

Finding the Fourth Proportional to 30,272.60, 45,422.40 and 10,565.30

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Solution

The fourth proportional to 30,272.60, 45,422.40 and 10,565.30 is: 15,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.60 : 45,422.40 = 10,565.30 : x
  2. Step 2: Convert to fraction form
    30,272.60/45,422.40 = 10,565.30/x
  3. Step 3: Cross multiply
    30,272.60x = 45,422.40 × 10,565.30
  4. Step 4: Simplify right side
    30,272.60x = 479,901,282.72
  5. Step 5: Solve for x
    x = 479,901,282.72/30,272.60
  6. Step 6: Final answer
    x = 15,852.66

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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.