Home / 42,924.24-64,282.38-21,808.68

Finding the Fourth Proportional to 42,924.24, 64,282.38 and 21,808.68

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Solution

The fourth proportional to 42,924.24, 64,282.38 and 21,808.68 is: 32,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,924.24 : 64,282.38 = 21,808.68 : x
  2. Step 2: Convert to fraction form
    42,924.24/64,282.38 = 21,808.68/x
  3. Step 3: Cross multiply
    42,924.24x = 64,282.38 × 21,808.68
  4. Step 4: Simplify right side
    42,924.24x = 1,401,913,855.06
  5. Step 5: Solve for x
    x = 1,401,913,855.06/42,924.24
  6. Step 6: Final answer
    x = 32,660.19

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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.