Home / 39,582.24-54,623.46-21,678.36

Finding the Fourth Proportional to 39,582.24, 54,623.46 and 21,678.36

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Solution

The fourth proportional to 39,582.24, 54,623.46 and 21,678.36 is: 29,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.24 : 54,623.46 = 21,678.36 : x
  2. Step 2: Convert to fraction form
    39,582.24/54,623.46 = 21,678.36/x
  3. Step 3: Cross multiply
    39,582.24x = 54,623.46 × 21,678.36
  4. Step 4: Simplify right side
    39,582.24x = 1,184,147,030.33
  5. Step 5: Solve for x
    x = 1,184,147,030.33/39,582.24
  6. Step 6: Final answer
    x = 29,916.12

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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.