Home / 43,342.30-64,966.65-21,106.54

Finding the Fourth Proportional to 43,342.30, 64,966.65 and 21,106.54

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Solution

The fourth proportional to 43,342.30, 64,966.65 and 21,106.54 is: 31,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.30 : 64,966.65 = 21,106.54 : x
  2. Step 2: Convert to fraction form
    43,342.30/64,966.65 = 21,106.54/x
  3. Step 3: Cross multiply
    43,342.30x = 64,966.65 × 21,106.54
  4. Step 4: Simplify right side
    43,342.30x = 1,371,221,196.89
  5. Step 5: Solve for x
    x = 1,371,221,196.89/43,342.30
  6. Step 6: Final answer
    x = 31,637.02

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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.