Home / 43,226.79-64,848.01-21,040.14

Finding the Fourth Proportional to 43,226.79, 64,848.01 and 21,040.14

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Solution

The fourth proportional to 43,226.79, 64,848.01 and 21,040.14 is: 31,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,226.79 : 64,848.01 = 21,040.14 : x
  2. Step 2: Convert to fraction form
    43,226.79/64,848.01 = 21,040.14/x
  3. Step 3: Cross multiply
    43,226.79x = 64,848.01 × 21,040.14
  4. Step 4: Simplify right side
    43,226.79x = 1,364,411,209.12
  5. Step 5: Solve for x
    x = 1,364,411,209.12/43,226.79
  6. Step 6: Final answer
    x = 31,564.02

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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.