Home / 39,133.16-54,002.53-21,905.52

Finding the Fourth Proportional to 39,133.16, 54,002.53 and 21,905.52

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Solution

The fourth proportional to 39,133.16, 54,002.53 and 21,905.52 is: 30,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.16 : 54,002.53 = 21,905.52 : x
  2. Step 2: Convert to fraction form
    39,133.16/54,002.53 = 21,905.52/x
  3. Step 3: Cross multiply
    39,133.16x = 54,002.53 × 21,905.52
  4. Step 4: Simplify right side
    39,133.16x = 1,182,953,230.95
  5. Step 5: Solve for x
    x = 1,182,953,230.95/39,133.16
  6. Step 6: Final answer
    x = 30,228.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.