Home / 38,622.20-53,298.45-21,626.37

Finding the Fourth Proportional to 38,622.20, 53,298.45 and 21,626.37

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Solution

The fourth proportional to 38,622.20, 53,298.45 and 21,626.37 is: 29,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.20 : 53,298.45 = 21,626.37 : x
  2. Step 2: Convert to fraction form
    38,622.20/53,298.45 = 21,626.37/x
  3. Step 3: Cross multiply
    38,622.20x = 53,298.45 × 21,626.37
  4. Step 4: Simplify right side
    38,622.20x = 1,152,652,000.13
  5. Step 5: Solve for x
    x = 1,152,652,000.13/38,622.20
  6. Step 6: Final answer
    x = 29,844.29

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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.