Home / 51,605.45-71,215.86-30,110.13

Finding the Fourth Proportional to 51,605.45, 71,215.86 and 30,110.13

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Solution

The fourth proportional to 51,605.45, 71,215.86 and 30,110.13 is: 41,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.45 : 71,215.86 = 30,110.13 : x
  2. Step 2: Convert to fraction form
    51,605.45/71,215.86 = 30,110.13/x
  3. Step 3: Cross multiply
    51,605.45x = 71,215.86 × 30,110.13
  4. Step 4: Simplify right side
    51,605.45x = 2,144,318,746.21
  5. Step 5: Solve for x
    x = 2,144,318,746.21/51,605.45
  6. Step 6: Final answer
    x = 41,552.17

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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.