Home / 52,472.37-78,679.39-21,271.17

Finding the Fourth Proportional to 52,472.37, 78,679.39 and 21,271.17

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Solution

The fourth proportional to 52,472.37, 78,679.39 and 21,271.17 is: 31,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,472.37 : 78,679.39 = 21,271.17 : x
  2. Step 2: Convert to fraction form
    52,472.37/78,679.39 = 21,271.17/x
  3. Step 3: Cross multiply
    52,472.37x = 78,679.39 × 21,271.17
  4. Step 4: Simplify right side
    52,472.37x = 1,673,602,680.19
  5. Step 5: Solve for x
    x = 1,673,602,680.19/52,472.37
  6. Step 6: Final answer
    x = 31,894.93

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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.