Home / 55,302.98-76,318.19-30,152.48

Finding the Fourth Proportional to 55,302.98, 76,318.19 and 30,152.48

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Solution

The fourth proportional to 55,302.98, 76,318.19 and 30,152.48 is: 41,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.98 : 76,318.19 = 30,152.48 : x
  2. Step 2: Convert to fraction form
    55,302.98/76,318.19 = 30,152.48/x
  3. Step 3: Cross multiply
    55,302.98x = 76,318.19 × 30,152.48
  4. Step 4: Simplify right side
    55,302.98x = 2,301,182,963.79
  5. Step 5: Solve for x
    x = 2,301,182,963.79/55,302.98
  6. Step 6: Final answer
    x = 41,610.47

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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.