Home / 55,301.89-76,316.43-30,151.39

Finding the Fourth Proportional to 55,301.89, 76,316.43 and 30,151.39

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Solution

The fourth proportional to 55,301.89, 76,316.43 and 30,151.39 is: 41,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.89 : 76,316.43 = 30,151.39 : x
  2. Step 2: Convert to fraction form
    55,301.89/76,316.43 = 30,151.39/x
  3. Step 3: Cross multiply
    55,301.89x = 76,316.43 × 30,151.39
  4. Step 4: Simplify right side
    55,301.89x = 2,301,046,444.34
  5. Step 5: Solve for x
    x = 2,301,046,444.34/55,301.89
  6. Step 6: Final answer
    x = 41,608.82

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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.