Home / 30,233.36-45,325.56-13,581.20

Finding the Fourth Proportional to 30,233.36, 45,325.56 and 13,581.20

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Solution

The fourth proportional to 30,233.36, 45,325.56 and 13,581.20 is: 20,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.36 : 45,325.56 = 13,581.20 : x
  2. Step 2: Convert to fraction form
    30,233.36/45,325.56 = 13,581.20/x
  3. Step 3: Cross multiply
    30,233.36x = 45,325.56 × 13,581.20
  4. Step 4: Simplify right side
    30,233.36x = 615,575,495.47
  5. Step 5: Solve for x
    x = 615,575,495.47/30,233.36
  6. Step 6: Final answer
    x = 20,360.80

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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.