Home / 35,345.81-53,005.25-15,613.61

Finding the Fourth Proportional to 35,345.81, 53,005.25 and 15,613.61

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Solution

The fourth proportional to 35,345.81, 53,005.25 and 15,613.61 is: 23,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.81 : 53,005.25 = 15,613.61 : x
  2. Step 2: Convert to fraction form
    35,345.81/53,005.25 = 15,613.61/x
  3. Step 3: Cross multiply
    35,345.81x = 53,005.25 × 15,613.61
  4. Step 4: Simplify right side
    35,345.81x = 827,603,075.46
  5. Step 5: Solve for x
    x = 827,603,075.46/35,345.81
  6. Step 6: Final answer
    x = 23,414.46

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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.