Home / 52,168.77-78,264.27-21,004.02

Finding the Fourth Proportional to 52,168.77, 78,264.27 and 21,004.02

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Solution

The fourth proportional to 52,168.77, 78,264.27 and 21,004.02 is: 31,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168.77 : 78,264.27 = 21,004.02 : x
  2. Step 2: Convert to fraction form
    52,168.77/78,264.27 = 21,004.02/x
  3. Step 3: Cross multiply
    52,168.77x = 78,264.27 × 21,004.02
  4. Step 4: Simplify right side
    52,168.77x = 1,643,864,292.37
  5. Step 5: Solve for x
    x = 1,643,864,292.37/52,168.77
  6. Step 6: Final answer
    x = 31,510.51

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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.