Home / 35,691.42-49,254.08-19,775.91

Finding the Fourth Proportional to 35,691.42, 49,254.08 and 19,775.91

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Solution

The fourth proportional to 35,691.42, 49,254.08 and 19,775.91 is: 27,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.42 : 49,254.08 = 19,775.91 : x
  2. Step 2: Convert to fraction form
    35,691.42/49,254.08 = 19,775.91/x
  3. Step 3: Cross multiply
    35,691.42x = 49,254.08 × 19,775.91
  4. Step 4: Simplify right side
    35,691.42x = 974,044,154.33
  5. Step 5: Solve for x
    x = 974,044,154.33/35,691.42
  6. Step 6: Final answer
    x = 27,290.71

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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.