Home / 35,977.23-53,969.56-13,809.15

Finding the Fourth Proportional to 35,977.23, 53,969.56 and 13,809.15

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Solution

The fourth proportional to 35,977.23, 53,969.56 and 13,809.15 is: 20,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.23 : 53,969.56 = 13,809.15 : x
  2. Step 2: Convert to fraction form
    35,977.23/53,969.56 = 13,809.15/x
  3. Step 3: Cross multiply
    35,977.23x = 53,969.56 × 13,809.15
  4. Step 4: Simplify right side
    35,977.23x = 745,273,714.95
  5. Step 5: Solve for x
    x = 745,273,714.95/35,977.23
  6. Step 6: Final answer
    x = 20,715.15

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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.