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Finding the Fourth Proportional to 64,010.79, 88,328.19 and 35,329.92

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Solution

The fourth proportional to 64,010.79, 88,328.19 and 35,329.92 is: 48,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.79 : 88,328.19 = 35,329.92 : x
  2. Step 2: Convert to fraction form
    64,010.79/88,328.19 = 35,329.92/x
  3. Step 3: Cross multiply
    64,010.79x = 88,328.19 × 35,329.92
  4. Step 4: Simplify right side
    64,010.79x = 3,120,627,886.44
  5. Step 5: Solve for x
    x = 3,120,627,886.44/64,010.79
  6. Step 6: Final answer
    x = 48,751.59

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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.