Home / 65,107.29-89,856.36-36,428.58

Finding the Fourth Proportional to 65,107.29, 89,856.36 and 36,428.58

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Solution

The fourth proportional to 65,107.29, 89,856.36 and 36,428.58 is: 50,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,107.29 : 89,856.36 = 36,428.58 : x
  2. Step 2: Convert to fraction form
    65,107.29/89,856.36 = 36,428.58/x
  3. Step 3: Cross multiply
    65,107.29x = 89,856.36 × 36,428.58
  4. Step 4: Simplify right side
    65,107.29x = 3,273,339,598.77
  5. Step 5: Solve for x
    x = 3,273,339,598.77/65,107.29
  6. Step 6: Final answer
    x = 50,276.08

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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.