Home / 39,588.93-54,633.18-21,683.46

Finding the Fourth Proportional to 39,588.93, 54,633.18 and 21,683.46

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Solution

The fourth proportional to 39,588.93, 54,633.18 and 21,683.46 is: 29,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588.93 : 54,633.18 = 21,683.46 : x
  2. Step 2: Convert to fraction form
    39,588.93/54,633.18 = 21,683.46/x
  3. Step 3: Cross multiply
    39,588.93x = 54,633.18 × 21,683.46
  4. Step 4: Simplify right side
    39,588.93x = 1,184,636,373.20
  5. Step 5: Solve for x
    x = 1,184,636,373.20/39,588.93
  6. Step 6: Final answer
    x = 29,923.42

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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.