Home / 47,714.31-65,824.16-30,712.46

Finding the Fourth Proportional to 47,714.31, 65,824.16 and 30,712.46

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Solution

The fourth proportional to 47,714.31, 65,824.16 and 30,712.46 is: 42,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,714.31 : 65,824.16 = 30,712.46 : x
  2. Step 2: Convert to fraction form
    47,714.31/65,824.16 = 30,712.46/x
  3. Step 3: Cross multiply
    47,714.31x = 65,824.16 × 30,712.46
  4. Step 4: Simplify right side
    47,714.31x = 2,021,621,398.35
  5. Step 5: Solve for x
    x = 2,021,621,398.35/47,714.31
  6. Step 6: Final answer
    x = 42,369.29

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1.5x scale

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.