Home / 53,981.67-74,494.71-30,108.36

Finding the Fourth Proportional to 53,981.67, 74,494.71 and 30,108.36

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Solution

The fourth proportional to 53,981.67, 74,494.71 and 30,108.36 is: 41,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.67 : 74,494.71 = 30,108.36 : x
  2. Step 2: Convert to fraction form
    53,981.67/74,494.71 = 30,108.36/x
  3. Step 3: Cross multiply
    53,981.67x = 74,494.71 × 30,108.36
  4. Step 4: Simplify right side
    53,981.67x = 2,242,913,546.78
  5. Step 5: Solve for x
    x = 2,242,913,546.78/53,981.67
  6. Step 6: Final answer
    x = 41,549.54

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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.