Home / 30,873.22-42,602.49-17,445.64

Finding the Fourth Proportional to 30,873.22, 42,602.49 and 17,445.64

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Solution

The fourth proportional to 30,873.22, 42,602.49 and 17,445.64 is: 24,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.22 : 42,602.49 = 17,445.64 : x
  2. Step 2: Convert to fraction form
    30,873.22/42,602.49 = 17,445.64/x
  3. Step 3: Cross multiply
    30,873.22x = 42,602.49 × 17,445.64
  4. Step 4: Simplify right side
    30,873.22x = 743,227,703.64
  5. Step 5: Solve for x
    x = 743,227,703.64/30,873.22
  6. Step 6: Final answer
    x = 24,073.54

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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.