Home / 65,345.72-98,018.62-18,598.58

Finding the Fourth Proportional to 65,345.72, 98,018.62 and 18,598.58

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Solution

The fourth proportional to 65,345.72, 98,018.62 and 18,598.58 is: 27,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,345.72 : 98,018.62 = 18,598.58 : x
  2. Step 2: Convert to fraction form
    65,345.72/98,018.62 = 18,598.58/x
  3. Step 3: Cross multiply
    65,345.72x = 98,018.62 × 18,598.58
  4. Step 4: Simplify right side
    65,345.72x = 1,823,007,145.56
  5. Step 5: Solve for x
    x = 1,823,007,145.56/65,345.72
  6. Step 6: Final answer
    x = 27,897.88

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1.5x scale

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.