Home / 43,292.22-64,938.72-13,710.20

Finding the Fourth Proportional to 43,292.22, 64,938.72 and 13,710.20

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Solution

The fourth proportional to 43,292.22, 64,938.72 and 13,710.20 is: 20,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.22 : 64,938.72 = 13,710.20 : x
  2. Step 2: Convert to fraction form
    43,292.22/64,938.72 = 13,710.20/x
  3. Step 3: Cross multiply
    43,292.22x = 64,938.72 × 13,710.20
  4. Step 4: Simplify right side
    43,292.22x = 890,322,838.94
  5. Step 5: Solve for x
    x = 890,322,838.94/43,292.22
  6. Step 6: Final answer
    x = 20,565.42

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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.