Home / 65,828.28-90,840.78-37,543.08

Finding the Fourth Proportional to 65,828.28, 90,840.78 and 37,543.08

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Solution

The fourth proportional to 65,828.28, 90,840.78 and 37,543.08 is: 51,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,828.28 : 90,840.78 = 37,543.08 : x
  2. Step 2: Convert to fraction form
    65,828.28/90,840.78 = 37,543.08/x
  3. Step 3: Cross multiply
    65,828.28x = 90,840.78 × 37,543.08
  4. Step 4: Simplify right side
    65,828.28x = 3,410,442,670.80
  5. Step 5: Solve for x
    x = 3,410,442,670.80/65,828.28
  6. Step 6: Final answer
    x = 51,808.17

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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.