Home / 66,027.32-91,116.27-37,343.18

Finding the Fourth Proportional to 66,027.32, 91,116.27 and 37,343.18

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Solution

The fourth proportional to 66,027.32, 91,116.27 and 37,343.18 is: 51,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.32 : 91,116.27 = 37,343.18 : x
  2. Step 2: Convert to fraction form
    66,027.32/91,116.27 = 37,343.18/x
  3. Step 3: Cross multiply
    66,027.32x = 91,116.27 × 37,343.18
  4. Step 4: Simplify right side
    66,027.32x = 3,402,571,271.54
  5. Step 5: Solve for x
    x = 3,402,571,271.54/66,027.32
  6. Step 6: Final answer
    x = 51,532.78

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Double scale
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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.