Home / 38,399.52-52,995.66-21,405.32

Finding the Fourth Proportional to 38,399.52, 52,995.66 and 21,405.32

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Solution

The fourth proportional to 38,399.52, 52,995.66 and 21,405.32 is: 29,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.52 : 52,995.66 = 21,405.32 : x
  2. Step 2: Convert to fraction form
    38,399.52/52,995.66 = 21,405.32/x
  3. Step 3: Cross multiply
    38,399.52x = 52,995.66 × 21,405.32
  4. Step 4: Simplify right side
    38,399.52x = 1,134,389,060.91
  5. Step 5: Solve for x
    x = 1,134,389,060.91/38,399.52
  6. Step 6: Final answer
    x = 29,541.75

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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.