Home / 35,412.25-53,127.50-13,225.78

Finding the Fourth Proportional to 35,412.25, 53,127.50 and 13,225.78

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Solution

The fourth proportional to 35,412.25, 53,127.50 and 13,225.78 is: 19,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.25 : 53,127.50 = 13,225.78 : x
  2. Step 2: Convert to fraction form
    35,412.25/53,127.50 = 13,225.78/x
  3. Step 3: Cross multiply
    35,412.25x = 53,127.50 × 13,225.78
  4. Step 4: Simplify right side
    35,412.25x = 702,652,626.95
  5. Step 5: Solve for x
    x = 702,652,626.95/35,412.25
  6. Step 6: Final answer
    x = 19,842.08

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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.