Home / 39,970.84-55,159.45-22,065.87

Finding the Fourth Proportional to 39,970.84, 55,159.45 and 22,065.87

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Solution

The fourth proportional to 39,970.84, 55,159.45 and 22,065.87 is: 30,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.84 : 55,159.45 = 22,065.87 : x
  2. Step 2: Convert to fraction form
    39,970.84/55,159.45 = 22,065.87/x
  3. Step 3: Cross multiply
    39,970.84x = 55,159.45 × 22,065.87
  4. Step 4: Simplify right side
    39,970.84x = 1,217,141,252.97
  5. Step 5: Solve for x
    x = 1,217,141,252.97/39,970.84
  6. Step 6: Final answer
    x = 30,450.73

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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.