Home / 65,434.23-98,154.99-21,057.57

Finding the Fourth Proportional to 65,434.23, 98,154.99 and 21,057.57

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Solution

The fourth proportional to 65,434.23, 98,154.99 and 21,057.57 is: 31,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,434.23 : 98,154.99 = 21,057.57 : x
  2. Step 2: Convert to fraction form
    65,434.23/98,154.99 = 21,057.57/x
  3. Step 3: Cross multiply
    65,434.23x = 98,154.99 × 21,057.57
  4. Step 4: Simplify right side
    65,434.23x = 2,066,905,572.77
  5. Step 5: Solve for x
    x = 2,066,905,572.77/65,434.23
  6. Step 6: Final answer
    x = 31,587.53

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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.