Home / 34,920.63-48,168.72-21,302.46

Finding the Fourth Proportional to 34,920.63, 48,168.72 and 21,302.46

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Solution

The fourth proportional to 34,920.63, 48,168.72 and 21,302.46 is: 29,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.63 : 48,168.72 = 21,302.46 : x
  2. Step 2: Convert to fraction form
    34,920.63/48,168.72 = 21,302.46/x
  3. Step 3: Cross multiply
    34,920.63x = 48,168.72 × 21,302.46
  4. Step 4: Simplify right side
    34,920.63x = 1,026,112,231.05
  5. Step 5: Solve for x
    x = 1,026,112,231.05/34,920.63
  6. Step 6: Final answer
    x = 29,384.13

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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.