Home / 31,303.10-43,255.56-22,790.45

Finding the Fourth Proportional to 31,303.10, 43,255.56 and 22,790.45

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Solution

The fourth proportional to 31,303.10, 43,255.56 and 22,790.45 is: 31,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.10 : 43,255.56 = 22,790.45 : x
  2. Step 2: Convert to fraction form
    31,303.10/43,255.56 = 22,790.45/x
  3. Step 3: Cross multiply
    31,303.10x = 43,255.56 × 22,790.45
  4. Step 4: Simplify right side
    31,303.10x = 985,813,461.12
  5. Step 5: Solve for x
    x = 985,813,461.12/31,303.10
  6. Step 6: Final answer
    x = 31,492.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.