Home / 35,718.12-53,489.69-25,162.20

Finding the Fourth Proportional to 35,718.12, 53,489.69 and 25,162.20

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Solution

The fourth proportional to 35,718.12, 53,489.69 and 25,162.20 is: 37,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.12 : 53,489.69 = 25,162.20 : x
  2. Step 2: Convert to fraction form
    35,718.12/53,489.69 = 25,162.20/x
  3. Step 3: Cross multiply
    35,718.12x = 53,489.69 × 25,162.20
  4. Step 4: Simplify right side
    35,718.12x = 1,345,918,151.91
  5. Step 5: Solve for x
    x = 1,345,918,151.91/35,718.12
  6. Step 6: Final answer
    x = 37,681.66

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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.