Home / 30,256.14-45,355.05-20,373.36

Finding the Fourth Proportional to 30,256.14, 45,355.05 and 20,373.36

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Solution

The fourth proportional to 30,256.14, 45,355.05 and 20,373.36 is: 30,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.14 : 45,355.05 = 20,373.36 : x
  2. Step 2: Convert to fraction form
    30,256.14/45,355.05 = 20,373.36/x
  3. Step 3: Cross multiply
    30,256.14x = 45,355.05 × 20,373.36
  4. Step 4: Simplify right side
    30,256.14x = 924,034,761.47
  5. Step 5: Solve for x
    x = 924,034,761.47/30,256.14
  6. Step 6: Final answer
    x = 30,540.40

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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.