Home / 66,368.22-99,517.77-31,298.46

Finding the Fourth Proportional to 66,368.22, 99,517.77 and 31,298.46

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Solution

The fourth proportional to 66,368.22, 99,517.77 and 31,298.46 is: 46,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,368.22 : 99,517.77 = 31,298.46 : x
  2. Step 2: Convert to fraction form
    66,368.22/99,517.77 = 31,298.46/x
  3. Step 3: Cross multiply
    66,368.22x = 99,517.77 × 31,298.46
  4. Step 4: Simplify right side
    66,368.22x = 3,114,752,943.63
  5. Step 5: Solve for x
    x = 3,114,752,943.63/66,368.22
  6. Step 6: Final answer
    x = 46,931.39

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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.