Home / 38,149.16-52,647.52-21,152.32

Finding the Fourth Proportional to 38,149.16, 52,647.52 and 21,152.32

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Solution

The fourth proportional to 38,149.16, 52,647.52 and 21,152.32 is: 29,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.16 : 52,647.52 = 21,152.32 : x
  2. Step 2: Convert to fraction form
    38,149.16/52,647.52 = 21,152.32/x
  3. Step 3: Cross multiply
    38,149.16x = 52,647.52 × 21,152.32
  4. Step 4: Simplify right side
    38,149.16x = 1,113,617,190.25
  5. Step 5: Solve for x
    x = 1,113,617,190.25/38,149.16
  6. Step 6: Final answer
    x = 29,191.13

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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.