Home / 65,724.24-90,684.96-38,848.32

Finding the Fourth Proportional to 65,724.24, 90,684.96 and 38,848.32

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Solution

The fourth proportional to 65,724.24, 90,684.96 and 38,848.32 is: 53,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,724.24 : 90,684.96 = 38,848.32 : x
  2. Step 2: Convert to fraction form
    65,724.24/90,684.96 = 38,848.32/x
  3. Step 3: Cross multiply
    65,724.24x = 90,684.96 × 38,848.32
  4. Step 4: Simplify right side
    65,724.24x = 3,522,958,345.27
  5. Step 5: Solve for x
    x = 3,522,958,345.27/65,724.24
  6. Step 6: Final answer
    x = 53,602.12

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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.