Home / 53,115.84-79,673.04-18,079.92

Finding the Fourth Proportional to 53,115.84, 79,673.04 and 18,079.92

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Solution

The fourth proportional to 53,115.84, 79,673.04 and 18,079.92 is: 27,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.84 : 79,673.04 = 18,079.92 : x
  2. Step 2: Convert to fraction form
    53,115.84/79,673.04 = 18,079.92/x
  3. Step 3: Cross multiply
    53,115.84x = 79,673.04 × 18,079.92
  4. Step 4: Simplify right side
    53,115.84x = 1,440,482,189.36
  5. Step 5: Solve for x
    x = 1,440,482,189.36/53,115.84
  6. Step 6: Final answer
    x = 27,119.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.