Home / 30,039.08-41,452.56-16,426.76

Finding the Fourth Proportional to 30,039.08, 41,452.56 and 16,426.76

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Solution

The fourth proportional to 30,039.08, 41,452.56 and 16,426.76 is: 22,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.08 : 41,452.56 = 16,426.76 : x
  2. Step 2: Convert to fraction form
    30,039.08/41,452.56 = 16,426.76/x
  3. Step 3: Cross multiply
    30,039.08x = 41,452.56 × 16,426.76
  4. Step 4: Simplify right side
    30,039.08x = 680,931,047.24
  5. Step 5: Solve for x
    x = 680,931,047.24/30,039.08
  6. Step 6: Final answer
    x = 22,668.18

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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.