Home / 49,429.81-74,109.41-23,120.20

Finding the Fourth Proportional to 49,429.81, 74,109.41 and 23,120.20

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Solution

The fourth proportional to 49,429.81, 74,109.41 and 23,120.20 is: 34,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.81 : 74,109.41 = 23,120.20 : x
  2. Step 2: Convert to fraction form
    49,429.81/74,109.41 = 23,120.20/x
  3. Step 3: Cross multiply
    49,429.81x = 74,109.41 × 23,120.20
  4. Step 4: Simplify right side
    49,429.81x = 1,713,424,381.08
  5. Step 5: Solve for x
    x = 1,713,424,381.08/49,429.81
  6. Step 6: Final answer
    x = 34,663.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.