Home / 30,009.30-41,412.93-16,581.30

Finding the Fourth Proportional to 30,009.30, 41,412.93 and 16,581.30

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Solution

The fourth proportional to 30,009.30, 41,412.93 and 16,581.30 is: 22,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.30 : 41,412.93 = 16,581.30 : x
  2. Step 2: Convert to fraction form
    30,009.30/41,412.93 = 16,581.30/x
  3. Step 3: Cross multiply
    30,009.30x = 41,412.93 × 16,581.30
  4. Step 4: Simplify right side
    30,009.30x = 686,680,216.21
  5. Step 5: Solve for x
    x = 686,680,216.21/30,009.30
  6. Step 6: Final answer
    x = 22,882.25

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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.