Home / 65,319.22-90,141.09-37,019.62

Finding the Fourth Proportional to 65,319.22, 90,141.09 and 37,019.62

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Solution

The fourth proportional to 65,319.22, 90,141.09 and 37,019.62 is: 51,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,319.22 : 90,141.09 = 37,019.62 : x
  2. Step 2: Convert to fraction form
    65,319.22/90,141.09 = 37,019.62/x
  3. Step 3: Cross multiply
    65,319.22x = 90,141.09 × 37,019.62
  4. Step 4: Simplify right side
    65,319.22x = 3,336,988,898.19
  5. Step 5: Solve for x
    x = 3,336,988,898.19/65,319.22
  6. Step 6: Final answer
    x = 51,087.40

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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.