Home / 38,710.90-53,418.85-22,800.48

Finding the Fourth Proportional to 38,710.90, 53,418.85 and 22,800.48

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Solution

The fourth proportional to 38,710.90, 53,418.85 and 22,800.48 is: 31,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.90 : 53,418.85 = 22,800.48 : x
  2. Step 2: Convert to fraction form
    38,710.90/53,418.85 = 22,800.48/x
  3. Step 3: Cross multiply
    38,710.90x = 53,418.85 × 22,800.48
  4. Step 4: Simplify right side
    38,710.90x = 1,217,975,421.05
  5. Step 5: Solve for x
    x = 1,217,975,421.05/38,710.90
  6. Step 6: Final answer
    x = 31,463.37

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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.