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Finding the Fourth Proportional to 64,018.28, 88,345.21 and 35,337.93

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Solution

The fourth proportional to 64,018.28, 88,345.21 and 35,337.93 is: 48,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.28 : 88,345.21 = 35,337.93 : x
  2. Step 2: Convert to fraction form
    64,018.28/88,345.21 = 35,337.93/x
  3. Step 3: Cross multiply
    64,018.28x = 88,345.21 × 35,337.93
  4. Step 4: Simplify right side
    64,018.28x = 3,121,936,846.82
  5. Step 5: Solve for x
    x = 3,121,936,846.82/64,018.28
  6. Step 6: Final answer
    x = 48,766.33

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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.