Home / 51,188.39-70,640.26-29,690.87

Finding the Fourth Proportional to 51,188.39, 70,640.26 and 29,690.87

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Solution

The fourth proportional to 51,188.39, 70,640.26 and 29,690.87 is: 40,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.39 : 70,640.26 = 29,690.87 : x
  2. Step 2: Convert to fraction form
    51,188.39/70,640.26 = 29,690.87/x
  3. Step 3: Cross multiply
    51,188.39x = 70,640.26 × 29,690.87
  4. Step 4: Simplify right side
    51,188.39x = 2,097,370,349.00
  5. Step 5: Solve for x
    x = 2,097,370,349.00/51,188.39
  6. Step 6: Final answer
    x = 40,973.56

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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.