Home / 35,691.90-53,479.44-21,609.24

Finding the Fourth Proportional to 35,691.90, 53,479.44 and 21,609.24

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Solution

The fourth proportional to 35,691.90, 53,479.44 and 21,609.24 is: 32,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.90 : 53,479.44 = 21,609.24 : x
  2. Step 2: Convert to fraction form
    35,691.90/53,479.44 = 21,609.24/x
  3. Step 3: Cross multiply
    35,691.90x = 53,479.44 × 21,609.24
  4. Step 4: Simplify right side
    35,691.90x = 1,155,650,054.03
  5. Step 5: Solve for x
    x = 1,155,650,054.03/35,691.90
  6. Step 6: Final answer
    x = 32,378.50

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1.5x scale

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.