Home / 31,560.04-43,539.62-22,134.76

Finding the Fourth Proportional to 31,560.04, 43,539.62 and 22,134.76

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Solution

The fourth proportional to 31,560.04, 43,539.62 and 22,134.76 is: 30,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.04 : 43,539.62 = 22,134.76 : x
  2. Step 2: Convert to fraction form
    31,560.04/43,539.62 = 22,134.76/x
  3. Step 3: Cross multiply
    31,560.04x = 43,539.62 × 22,134.76
  4. Step 4: Simplify right side
    31,560.04x = 963,739,039.19
  5. Step 5: Solve for x
    x = 963,739,039.19/31,560.04
  6. Step 6: Final answer
    x = 30,536.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.