Home / 53,099.30-79,648.95-21,935.36

Finding the Fourth Proportional to 53,099.30, 79,648.95 and 21,935.36

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Solution

The fourth proportional to 53,099.30, 79,648.95 and 21,935.36 is: 32,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.30 : 79,648.95 = 21,935.36 : x
  2. Step 2: Convert to fraction form
    53,099.30/79,648.95 = 21,935.36/x
  3. Step 3: Cross multiply
    53,099.30x = 79,648.95 × 21,935.36
  4. Step 4: Simplify right side
    53,099.30x = 1,747,128,225.23
  5. Step 5: Solve for x
    x = 1,747,128,225.23/53,099.30
  6. Step 6: Final answer
    x = 32,903.04

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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.