Home / 64,821.47-89,450.19-35,748.95

Finding the Fourth Proportional to 64,821.47, 89,450.19 and 35,748.95

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Solution

The fourth proportional to 64,821.47, 89,450.19 and 35,748.95 is: 49,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.47 : 89,450.19 = 35,748.95 : x
  2. Step 2: Convert to fraction form
    64,821.47/89,450.19 = 35,748.95/x
  3. Step 3: Cross multiply
    64,821.47x = 89,450.19 × 35,748.95
  4. Step 4: Simplify right side
    64,821.47x = 3,197,749,922.55
  5. Step 5: Solve for x
    x = 3,197,749,922.55/64,821.47
  6. Step 6: Final answer
    x = 49,331.65

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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.