Home / 38,352.10-52,919.60-21,355.92

Finding the Fourth Proportional to 38,352.10, 52,919.60 and 21,355.92

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Solution

The fourth proportional to 38,352.10, 52,919.60 and 21,355.92 is: 29,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352.10 : 52,919.60 = 21,355.92 : x
  2. Step 2: Convert to fraction form
    38,352.10/52,919.60 = 21,355.92/x
  3. Step 3: Cross multiply
    38,352.10x = 52,919.60 × 21,355.92
  4. Step 4: Simplify right side
    38,352.10x = 1,130,146,637.25
  5. Step 5: Solve for x
    x = 1,130,146,637.25/38,352.10
  6. Step 6: Final answer
    x = 29,467.66

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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.