Home / 64,880.19-89,534.97-38,022.89

Finding the Fourth Proportional to 64,880.19, 89,534.97 and 38,022.89

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Solution

The fourth proportional to 64,880.19, 89,534.97 and 38,022.89 is: 52,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.19 : 89,534.97 = 38,022.89 : x
  2. Step 2: Convert to fraction form
    64,880.19/89,534.97 = 38,022.89/x
  3. Step 3: Cross multiply
    64,880.19x = 89,534.97 × 38,022.89
  4. Step 4: Simplify right side
    64,880.19x = 3,404,377,867.79
  5. Step 5: Solve for x
    x = 3,404,377,867.79/64,880.19
  6. Step 6: Final answer
    x = 52,471.76

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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.