Home / 30,538.08-42,148.08-17,793.36

Finding the Fourth Proportional to 30,538.08, 42,148.08 and 17,793.36

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Solution

The fourth proportional to 30,538.08, 42,148.08 and 17,793.36 is: 24,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538.08 : 42,148.08 = 17,793.36 : x
  2. Step 2: Convert to fraction form
    30,538.08/42,148.08 = 17,793.36/x
  3. Step 3: Cross multiply
    30,538.08x = 42,148.08 × 17,793.36
  4. Step 4: Simplify right side
    30,538.08x = 749,955,960.75
  5. Step 5: Solve for x
    x = 749,955,960.75/30,538.08
  6. Step 6: Final answer
    x = 24,558.06

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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.