Home / 65,921.06-90,970.62-37,250.00

Finding the Fourth Proportional to 65,921.06, 90,970.62 and 37,250.00

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Solution

The fourth proportional to 65,921.06, 90,970.62 and 37,250.00 is: 51,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921.06 : 90,970.62 = 37,250.00 : x
  2. Step 2: Convert to fraction form
    65,921.06/90,970.62 = 37,250.00/x
  3. Step 3: Cross multiply
    65,921.06x = 90,970.62 × 37,250.00
  4. Step 4: Simplify right side
    65,921.06x = 3,388,655,477.25
  5. Step 5: Solve for x
    x = 3,388,655,477.25/65,921.06
  6. Step 6: Final answer
    x = 51,404.75

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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.