Home / 32,938.03-45,480.69-30,419.22

Finding the Fourth Proportional to 32,938.03, 45,480.69 and 30,419.22

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Solution

The fourth proportional to 32,938.03, 45,480.69 and 30,419.22 is: 42,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938.03 : 45,480.69 = 30,419.22 : x
  2. Step 2: Convert to fraction form
    32,938.03/45,480.69 = 30,419.22/x
  3. Step 3: Cross multiply
    32,938.03x = 45,480.69 × 30,419.22
  4. Step 4: Simplify right side
    32,938.03x = 1,383,487,114.86
  5. Step 5: Solve for x
    x = 1,383,487,114.86/32,938.03
  6. Step 6: Final answer
    x = 42,002.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.