Home / 62,405.34-86,164.47-38,564.70

Finding the Fourth Proportional to 62,405.34, 86,164.47 and 38,564.70

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Solution

The fourth proportional to 62,405.34, 86,164.47 and 38,564.70 is: 53,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.34 : 86,164.47 = 38,564.70 : x
  2. Step 2: Convert to fraction form
    62,405.34/86,164.47 = 38,564.70/x
  3. Step 3: Cross multiply
    62,405.34x = 86,164.47 × 38,564.70
  4. Step 4: Simplify right side
    62,405.34x = 3,322,906,936.21
  5. Step 5: Solve for x
    x = 3,322,906,936.21/62,405.34
  6. Step 6: Final answer
    x = 53,247.16

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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.