Home / 42,718.24-64,032-25,196.32

Finding the Fourth Proportional to 42,718.24, 64,032 and 25,196.32

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Solution

The fourth proportional to 42,718.24, 64,032 and 25,196.32 is: 37,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.24 : 64,032 = 25,196.32 : x
  2. Step 2: Convert to fraction form
    42,718.24/64,032 = 25,196.32/x
  3. Step 3: Cross multiply
    42,718.24x = 64,032 × 25,196.32
  4. Step 4: Simplify right side
    42,718.24x = 1,613,370,762.24
  5. Step 5: Solve for x
    x = 1,613,370,762.24/42,718.24
  6. Step 6: Final answer
    x = 37,767.73

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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.