Home / 40,929.93-61,427.70-21,214.13

Finding the Fourth Proportional to 40,929.93, 61,427.70 and 21,214.13

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Solution

The fourth proportional to 40,929.93, 61,427.70 and 21,214.13 is: 31,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.93 : 61,427.70 = 21,214.13 : x
  2. Step 2: Convert to fraction form
    40,929.93/61,427.70 = 21,214.13/x
  3. Step 3: Cross multiply
    40,929.93x = 61,427.70 × 21,214.13
  4. Step 4: Simplify right side
    40,929.93x = 1,303,134,906.26
  5. Step 5: Solve for x
    x = 1,303,134,906.26/40,929.93
  6. Step 6: Final answer
    x = 31,838.19

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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.