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Finding the Fourth Proportional to 64,133.20, 88,503.56 and 35,838.88

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Solution

The fourth proportional to 64,133.20, 88,503.56 and 35,838.88 is: 49,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.20 : 88,503.56 = 35,838.88 : x
  2. Step 2: Convert to fraction form
    64,133.20/88,503.56 = 35,838.88/x
  3. Step 3: Cross multiply
    64,133.20x = 88,503.56 × 35,838.88
  4. Step 4: Simplify right side
    64,133.20x = 3,171,868,466.41
  5. Step 5: Solve for x
    x = 3,171,868,466.41/64,133.20
  6. Step 6: Final answer
    x = 49,457.51

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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.