Home / 35,977.84-53,970.66-13,810

Finding the Fourth Proportional to 35,977.84, 53,970.66 and 13,810

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Solution

The fourth proportional to 35,977.84, 53,970.66 and 13,810 is: 20,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.84 : 53,970.66 = 13,810 : x
  2. Step 2: Convert to fraction form
    35,977.84/53,970.66 = 13,810/x
  3. Step 3: Cross multiply
    35,977.84x = 53,970.66 × 13,810
  4. Step 4: Simplify right side
    35,977.84x = 745,334,814.60
  5. Step 5: Solve for x
    x = 745,334,814.60/35,977.84
  6. Step 6: Final answer
    x = 20,716.50

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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.