Home / 55,341.63-76,371.11-31,468.31

Finding the Fourth Proportional to 55,341.63, 76,371.11 and 31,468.31

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Solution

The fourth proportional to 55,341.63, 76,371.11 and 31,468.31 is: 43,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.63 : 76,371.11 = 31,468.31 : x
  2. Step 2: Convert to fraction form
    55,341.63/76,371.11 = 31,468.31/x
  3. Step 3: Cross multiply
    55,341.63x = 76,371.11 × 31,468.31
  4. Step 4: Simplify right side
    55,341.63x = 2,403,269,225.33
  5. Step 5: Solve for x
    x = 2,403,269,225.33/55,341.63
  6. Step 6: Final answer
    x = 43,426.07

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1.5x scale

Why These Related Problems?

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