Home / 51,101.28-76,681.08-19,929.24

Finding the Fourth Proportional to 51,101.28, 76,681.08 and 19,929.24

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Solution

The fourth proportional to 51,101.28, 76,681.08 and 19,929.24 is: 29,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,101.28 : 76,681.08 = 19,929.24 : x
  2. Step 2: Convert to fraction form
    51,101.28/76,681.08 = 19,929.24/x
  3. Step 3: Cross multiply
    51,101.28x = 76,681.08 × 19,929.24
  4. Step 4: Simplify right side
    51,101.28x = 1,528,195,646.78
  5. Step 5: Solve for x
    x = 1,528,195,646.78/51,101.28
  6. Step 6: Final answer
    x = 29,905.23

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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.