Home / 64,018.08-88,336.17-35,718.30

Finding the Fourth Proportional to 64,018.08, 88,336.17 and 35,718.30

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Solution

The fourth proportional to 64,018.08, 88,336.17 and 35,718.30 is: 49,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.08 : 88,336.17 = 35,718.30 : x
  2. Step 2: Convert to fraction form
    64,018.08/88,336.17 = 35,718.30/x
  3. Step 3: Cross multiply
    64,018.08x = 88,336.17 × 35,718.30
  4. Step 4: Simplify right side
    64,018.08x = 3,155,217,820.91
  5. Step 5: Solve for x
    x = 3,155,217,820.91/64,018.08
  6. Step 6: Final answer
    x = 49,286.36

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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.