Home / 53,885.77-74,362.45-31,229.11

Finding the Fourth Proportional to 53,885.77, 74,362.45 and 31,229.11

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Solution

The fourth proportional to 53,885.77, 74,362.45 and 31,229.11 is: 43,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.77 : 74,362.45 = 31,229.11 : x
  2. Step 2: Convert to fraction form
    53,885.77/74,362.45 = 31,229.11/x
  3. Step 3: Cross multiply
    53,885.77x = 74,362.45 × 31,229.11
  4. Step 4: Simplify right side
    53,885.77x = 2,322,273,130.92
  5. Step 5: Solve for x
    x = 2,322,273,130.92/53,885.77
  6. Step 6: Final answer
    x = 43,096.22

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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.