Home / 30,326.40-45,483.22-11,600.21

Finding the Fourth Proportional to 30,326.40, 45,483.22 and 11,600.21

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Solution

The fourth proportional to 30,326.40, 45,483.22 and 11,600.21 is: 17,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.40 : 45,483.22 = 11,600.21 : x
  2. Step 2: Convert to fraction form
    30,326.40/45,483.22 = 11,600.21/x
  3. Step 3: Cross multiply
    30,326.40x = 45,483.22 × 11,600.21
  4. Step 4: Simplify right side
    30,326.40x = 527,615,031.68
  5. Step 5: Solve for x
    x = 527,615,031.68/30,326.40
  6. Step 6: Final answer
    x = 17,397.88

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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.