Home / 53,438.68-73,694.94-39,856.74

Finding the Fourth Proportional to 53,438.68, 73,694.94 and 39,856.74

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Solution

The fourth proportional to 53,438.68, 73,694.94 and 39,856.74 is: 54,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438.68 : 73,694.94 = 39,856.74 : x
  2. Step 2: Convert to fraction form
    53,438.68/73,694.94 = 39,856.74/x
  3. Step 3: Cross multiply
    53,438.68x = 73,694.94 × 39,856.74
  4. Step 4: Simplify right side
    53,438.68x = 2,937,240,062.90
  5. Step 5: Solve for x
    x = 2,937,240,062.90/53,438.68
  6. Step 6: Final answer
    x = 54,964.68

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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.