Home / 40,214.65-55,496.28-22,309.65

Finding the Fourth Proportional to 40,214.65, 55,496.28 and 22,309.65

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Solution

The fourth proportional to 40,214.65, 55,496.28 and 22,309.65 is: 30,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.65 : 55,496.28 = 22,309.65 : x
  2. Step 2: Convert to fraction form
    40,214.65/55,496.28 = 22,309.65/x
  3. Step 3: Cross multiply
    40,214.65x = 55,496.28 × 22,309.65
  4. Step 4: Simplify right side
    40,214.65x = 1,238,102,666.07
  5. Step 5: Solve for x
    x = 1,238,102,666.07/40,214.65
  6. Step 6: Final answer
    x = 30,787.36

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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.