Home / 30,733.65-42,412.79-17,984.05

Finding the Fourth Proportional to 30,733.65, 42,412.79 and 17,984.05

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Solution

The fourth proportional to 30,733.65, 42,412.79 and 17,984.05 is: 24,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.65 : 42,412.79 = 17,984.05 : x
  2. Step 2: Convert to fraction form
    30,733.65/42,412.79 = 17,984.05/x
  3. Step 3: Cross multiply
    30,733.65x = 42,412.79 × 17,984.05
  4. Step 4: Simplify right side
    30,733.65x = 762,753,674.93
  5. Step 5: Solve for x
    x = 762,753,674.93/30,733.65
  6. Step 6: Final answer
    x = 24,818.19

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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.