Home / 64,836.19-89,475.52-36,155.57

Finding the Fourth Proportional to 64,836.19, 89,475.52 and 36,155.57

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Solution

The fourth proportional to 64,836.19, 89,475.52 and 36,155.57 is: 49,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.19 : 89,475.52 = 36,155.57 : x
  2. Step 2: Convert to fraction form
    64,836.19/89,475.52 = 36,155.57/x
  3. Step 3: Cross multiply
    64,836.19x = 89,475.52 × 36,155.57
  4. Step 4: Simplify right side
    64,836.19x = 3,235,038,426.65
  5. Step 5: Solve for x
    x = 3,235,038,426.65/64,836.19
  6. Step 6: Final answer
    x = 49,895.57

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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.