Home / 60,502.36-90,763.24-21,070.68

Finding the Fourth Proportional to 60,502.36, 90,763.24 and 21,070.68

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Solution

The fourth proportional to 60,502.36, 90,763.24 and 21,070.68 is: 31,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,502.36 : 90,763.24 = 21,070.68 : x
  2. Step 2: Convert to fraction form
    60,502.36/90,763.24 = 21,070.68/x
  3. Step 3: Cross multiply
    60,502.36x = 90,763.24 × 21,070.68
  4. Step 4: Simplify right side
    60,502.36x = 1,912,443,185.80
  5. Step 5: Solve for x
    x = 1,912,443,185.80/60,502.36
  6. Step 6: Final answer
    x = 31,609.40

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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.