Home / 55,220.48-76,204.62-31,347.55

Finding the Fourth Proportional to 55,220.48, 76,204.62 and 31,347.55

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Solution

The fourth proportional to 55,220.48, 76,204.62 and 31,347.55 is: 43,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220.48 : 76,204.62 = 31,347.55 : x
  2. Step 2: Convert to fraction form
    55,220.48/76,204.62 = 31,347.55/x
  3. Step 3: Cross multiply
    55,220.48x = 76,204.62 × 31,347.55
  4. Step 4: Simplify right side
    55,220.48x = 2,388,827,945.17
  5. Step 5: Solve for x
    x = 2,388,827,945.17/55,220.48
  6. Step 6: Final answer
    x = 43,259.82

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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.