Home / 35,732.45-49,307.55-19,816.85

Finding the Fourth Proportional to 35,732.45, 49,307.55 and 19,816.85

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Solution

The fourth proportional to 35,732.45, 49,307.55 and 19,816.85 is: 27,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.45 : 49,307.55 = 19,816.85 : x
  2. Step 2: Convert to fraction form
    35,732.45/49,307.55 = 19,816.85/x
  3. Step 3: Cross multiply
    35,732.45x = 49,307.55 × 19,816.85
  4. Step 4: Simplify right side
    35,732.45x = 977,120,322.22
  5. Step 5: Solve for x
    x = 977,120,322.22/35,732.45
  6. Step 6: Final answer
    x = 27,345.46

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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.