Home / 30,370.08-41,909.76-17,803.20

Finding the Fourth Proportional to 30,370.08, 41,909.76 and 17,803.20

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Solution

The fourth proportional to 30,370.08, 41,909.76 and 17,803.20 is: 24,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.08 : 41,909.76 = 17,803.20 : x
  2. Step 2: Convert to fraction form
    30,370.08/41,909.76 = 17,803.20/x
  3. Step 3: Cross multiply
    30,370.08x = 41,909.76 × 17,803.20
  4. Step 4: Simplify right side
    30,370.08x = 746,127,839.23
  5. Step 5: Solve for x
    x = 746,127,839.23/30,370.08
  6. Step 6: Final answer
    x = 24,567.86

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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.