Home / 39,235.04-54,142.06-21,329.89

Finding the Fourth Proportional to 39,235.04, 54,142.06 and 21,329.89

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Solution

The fourth proportional to 39,235.04, 54,142.06 and 21,329.89 is: 29,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.04 : 54,142.06 = 21,329.89 : x
  2. Step 2: Convert to fraction form
    39,235.04/54,142.06 = 21,329.89/x
  3. Step 3: Cross multiply
    39,235.04x = 54,142.06 × 21,329.89
  4. Step 4: Simplify right side
    39,235.04x = 1,154,844,184.17
  5. Step 5: Solve for x
    x = 1,154,844,184.17/39,235.04
  6. Step 6: Final answer
    x = 29,434.00

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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.