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Finding the Fourth Proportional to 64,036.94, 88,371.89 and 35,742.63

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Solution

The fourth proportional to 64,036.94, 88,371.89 and 35,742.63 is: 49,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,036.94 : 88,371.89 = 35,742.63 : x
  2. Step 2: Convert to fraction form
    64,036.94/88,371.89 = 35,742.63/x
  3. Step 3: Cross multiply
    64,036.94x = 88,371.89 × 35,742.63
  4. Step 4: Simplify right side
    64,036.94x = 3,158,643,766.67
  5. Step 5: Solve for x
    x = 3,158,643,766.67/64,036.94
  6. Step 6: Final answer
    x = 49,325.34

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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.