Home / 53,389.72-73,696.36-30,737.73

Finding the Fourth Proportional to 53,389.72, 73,696.36 and 30,737.73

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Solution

The fourth proportional to 53,389.72, 73,696.36 and 30,737.73 is: 42,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.72 : 73,696.36 = 30,737.73 : x
  2. Step 2: Convert to fraction form
    53,389.72/73,696.36 = 30,737.73/x
  3. Step 3: Cross multiply
    53,389.72x = 73,696.36 × 30,737.73
  4. Step 4: Simplify right side
    53,389.72x = 2,265,258,661.97
  5. Step 5: Solve for x
    x = 2,265,258,661.97/53,389.72
  6. Step 6: Final answer
    x = 42,428.75

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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.