Home / 39,970.49-55,159.29-22,065.51

Finding the Fourth Proportional to 39,970.49, 55,159.29 and 22,065.51

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Solution

The fourth proportional to 39,970.49, 55,159.29 and 22,065.51 is: 30,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.49 : 55,159.29 = 22,065.51 : x
  2. Step 2: Convert to fraction form
    39,970.49/55,159.29 = 22,065.51/x
  3. Step 3: Cross multiply
    39,970.49x = 55,159.29 × 22,065.51
  4. Step 4: Simplify right side
    39,970.49x = 1,217,117,865.09
  5. Step 5: Solve for x
    x = 1,217,117,865.09/39,970.49
  6. Step 6: Final answer
    x = 30,450.41

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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.