Home / 35,987.76-53,971.20-13,799.52

Finding the Fourth Proportional to 35,987.76, 53,971.20 and 13,799.52

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Solution

The fourth proportional to 35,987.76, 53,971.20 and 13,799.52 is: 20,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.76 : 53,971.20 = 13,799.52 : x
  2. Step 2: Convert to fraction form
    35,987.76/53,971.20 = 13,799.52/x
  3. Step 3: Cross multiply
    35,987.76x = 53,971.20 × 13,799.52
  4. Step 4: Simplify right side
    35,987.76x = 744,776,653.82
  5. Step 5: Solve for x
    x = 744,776,653.82/35,987.76
  6. Step 6: Final answer
    x = 20,695.28

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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.