Home / 43,036.04-64,557.28-11,871

Finding the Fourth Proportional to 43,036.04, 64,557.28 and 11,871

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Solution

The fourth proportional to 43,036.04, 64,557.28 and 11,871 is: 17,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.04 : 64,557.28 = 11,871 : x
  2. Step 2: Convert to fraction form
    43,036.04/64,557.28 = 11,871/x
  3. Step 3: Cross multiply
    43,036.04x = 64,557.28 × 11,871
  4. Step 4: Simplify right side
    43,036.04x = 766,359,470.88
  5. Step 5: Solve for x
    x = 766,359,470.88/43,036.04
  6. Step 6: Final answer
    x = 17,807.39

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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.