Home / 35,987.26-53,976.67-9,689.93

Finding the Fourth Proportional to 35,987.26, 53,976.67 and 9,689.93

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Solution

The fourth proportional to 35,987.26, 53,976.67 and 9,689.93 is: 14,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.26 : 53,976.67 = 9,689.93 : x
  2. Step 2: Convert to fraction form
    35,987.26/53,976.67 = 9,689.93/x
  3. Step 3: Cross multiply
    35,987.26x = 53,976.67 × 9,689.93
  4. Step 4: Simplify right side
    35,987.26x = 523,030,153.93
  5. Step 5: Solve for x
    x = 523,030,153.93/35,987.26
  6. Step 6: Final answer
    x = 14,533.76

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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.