Home / 64,828.28-89,454.88-36,140.92

Finding the Fourth Proportional to 64,828.28, 89,454.88 and 36,140.92

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Solution

The fourth proportional to 64,828.28, 89,454.88 and 36,140.92 is: 49,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.28 : 89,454.88 = 36,140.92 : x
  2. Step 2: Convert to fraction form
    64,828.28/89,454.88 = 36,140.92/x
  3. Step 3: Cross multiply
    64,828.28x = 89,454.88 × 36,140.92
  4. Step 4: Simplify right side
    64,828.28x = 3,232,981,483.23
  5. Step 5: Solve for x
    x = 3,232,981,483.23/64,828.28
  6. Step 6: Final answer
    x = 49,869.92

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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.