Home / 38,273.04-52,818.36-21,506

Finding the Fourth Proportional to 38,273.04, 52,818.36 and 21,506

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Solution

The fourth proportional to 38,273.04, 52,818.36 and 21,506 is: 29,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.04 : 52,818.36 = 21,506 : x
  2. Step 2: Convert to fraction form
    38,273.04/52,818.36 = 21,506/x
  3. Step 3: Cross multiply
    38,273.04x = 52,818.36 × 21,506
  4. Step 4: Simplify right side
    38,273.04x = 1,135,911,650.16
  5. Step 5: Solve for x
    x = 1,135,911,650.16/38,273.04
  6. Step 6: Final answer
    x = 29,679.16

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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.