Home / 65,349.28-98,021.89-18,602.15

Finding the Fourth Proportional to 65,349.28, 98,021.89 and 18,602.15

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Solution

The fourth proportional to 65,349.28, 98,021.89 and 18,602.15 is: 27,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.28 : 98,021.89 = 18,602.15 : x
  2. Step 2: Convert to fraction form
    65,349.28/98,021.89 = 18,602.15/x
  3. Step 3: Cross multiply
    65,349.28x = 98,021.89 × 18,602.15
  4. Step 4: Simplify right side
    65,349.28x = 1,823,417,808.05
  5. Step 5: Solve for x
    x = 1,823,417,808.05/65,349.28
  6. Step 6: Final answer
    x = 27,902.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.