Home / 35,387.68-53,041.28-18,494.65

Finding the Fourth Proportional to 35,387.68, 53,041.28 and 18,494.65

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Solution

The fourth proportional to 35,387.68, 53,041.28 and 18,494.65 is: 27,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.68 : 53,041.28 = 18,494.65 : x
  2. Step 2: Convert to fraction form
    35,387.68/53,041.28 = 18,494.65/x
  3. Step 3: Cross multiply
    35,387.68x = 53,041.28 × 18,494.65
  4. Step 4: Simplify right side
    35,387.68x = 980,979,643.95
  5. Step 5: Solve for x
    x = 980,979,643.95/35,387.68
  6. Step 6: Final answer
    x = 27,720.94

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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.