Home / 55,424.96-76,490.30-31,551.63

Finding the Fourth Proportional to 55,424.96, 76,490.30 and 31,551.63

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Solution

The fourth proportional to 55,424.96, 76,490.30 and 31,551.63 is: 43,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.96 : 76,490.30 = 31,551.63 : x
  2. Step 2: Convert to fraction form
    55,424.96/76,490.30 = 31,551.63/x
  3. Step 3: Cross multiply
    55,424.96x = 76,490.30 × 31,551.63
  4. Step 4: Simplify right side
    55,424.96x = 2,413,393,261.74
  5. Step 5: Solve for x
    x = 2,413,393,261.74/55,424.96
  6. Step 6: Final answer
    x = 43,543.44

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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.