Home / 51,024.64-70,398.72-40,381.24

Finding the Fourth Proportional to 51,024.64, 70,398.72 and 40,381.24

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Solution

The fourth proportional to 51,024.64, 70,398.72 and 40,381.24 is: 55,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,024.64 : 70,398.72 = 40,381.24 : x
  2. Step 2: Convert to fraction form
    51,024.64/70,398.72 = 40,381.24/x
  3. Step 3: Cross multiply
    51,024.64x = 70,398.72 × 40,381.24
  4. Step 4: Simplify right side
    51,024.64x = 2,842,787,608.01
  5. Step 5: Solve for x
    x = 2,842,787,608.01/51,024.64
  6. Step 6: Final answer
    x = 55,714.02

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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.