Home / 52,826.62-79,242.36-21,640

Finding the Fourth Proportional to 52,826.62, 79,242.36 and 21,640

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Solution

The fourth proportional to 52,826.62, 79,242.36 and 21,640 is: 32,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,826.62 : 79,242.36 = 21,640 : x
  2. Step 2: Convert to fraction form
    52,826.62/79,242.36 = 21,640/x
  3. Step 3: Cross multiply
    52,826.62x = 79,242.36 × 21,640
  4. Step 4: Simplify right side
    52,826.62x = 1,714,804,670.40
  5. Step 5: Solve for x
    x = 1,714,804,670.40/52,826.62
  6. Step 6: Final answer
    x = 32,461.00

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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.