Home / 53,865.28-74,322.84-31,202.92

Finding the Fourth Proportional to 53,865.28, 74,322.84 and 31,202.92

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Solution

The fourth proportional to 53,865.28, 74,322.84 and 31,202.92 is: 43,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.28 : 74,322.84 = 31,202.92 : x
  2. Step 2: Convert to fraction form
    53,865.28/74,322.84 = 31,202.92/x
  3. Step 3: Cross multiply
    53,865.28x = 74,322.84 × 31,202.92
  4. Step 4: Simplify right side
    53,865.28x = 2,319,089,630.69
  5. Step 5: Solve for x
    x = 2,319,089,630.69/53,865.28
  6. Step 6: Final answer
    x = 43,053.51

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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.