Home / 39,868.61-59,802.84-11,789.01

Finding the Fourth Proportional to 39,868.61, 59,802.84 and 11,789.01

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Solution

The fourth proportional to 39,868.61, 59,802.84 and 11,789.01 is: 17,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.61 : 59,802.84 = 11,789.01 : x
  2. Step 2: Convert to fraction form
    39,868.61/59,802.84 = 11,789.01/x
  3. Step 3: Cross multiply
    39,868.61x = 59,802.84 × 11,789.01
  4. Step 4: Simplify right side
    39,868.61x = 705,016,278.79
  5. Step 5: Solve for x
    x = 705,016,278.79/39,868.61
  6. Step 6: Final answer
    x = 17,683.49

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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.