Home / 39,323.81-54,268.16-22,328.79

Finding the Fourth Proportional to 39,323.81, 54,268.16 and 22,328.79

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Solution

The fourth proportional to 39,323.81, 54,268.16 and 22,328.79 is: 30,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.81 : 54,268.16 = 22,328.79 : x
  2. Step 2: Convert to fraction form
    39,323.81/54,268.16 = 22,328.79/x
  3. Step 3: Cross multiply
    39,323.81x = 54,268.16 × 22,328.79
  4. Step 4: Simplify right side
    39,323.81x = 1,211,742,236.68
  5. Step 5: Solve for x
    x = 1,211,742,236.68/39,323.81
  6. Step 6: Final answer
    x = 30,814.47

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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.