Home / 38,497.75-53,127.78-21,501.10

Finding the Fourth Proportional to 38,497.75, 53,127.78 and 21,501.10

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Solution

The fourth proportional to 38,497.75, 53,127.78 and 21,501.10 is: 29,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.75 : 53,127.78 = 21,501.10 : x
  2. Step 2: Convert to fraction form
    38,497.75/53,127.78 = 21,501.10/x
  3. Step 3: Cross multiply
    38,497.75x = 53,127.78 × 21,501.10
  4. Step 4: Simplify right side
    38,497.75x = 1,142,305,710.56
  5. Step 5: Solve for x
    x = 1,142,305,710.56/38,497.75
  6. Step 6: Final answer
    x = 29,672.01

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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.