Home / 40,210.16-55,518.78-26,813

Finding the Fourth Proportional to 40,210.16, 55,518.78 and 26,813

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Solution

The fourth proportional to 40,210.16, 55,518.78 and 26,813 is: 37,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.16 : 55,518.78 = 26,813 : x
  2. Step 2: Convert to fraction form
    40,210.16/55,518.78 = 26,813/x
  3. Step 3: Cross multiply
    40,210.16x = 55,518.78 × 26,813
  4. Step 4: Simplify right side
    40,210.16x = 1,488,625,048.14
  5. Step 5: Solve for x
    x = 1,488,625,048.14/40,210.16
  6. Step 6: Final answer
    x = 37,021.12

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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.