Home / 53,445.60-73,754.40-31,945.20

Finding the Fourth Proportional to 53,445.60, 73,754.40 and 31,945.20

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Solution

The fourth proportional to 53,445.60, 73,754.40 and 31,945.20 is: 44,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.60 : 73,754.40 = 31,945.20 : x
  2. Step 2: Convert to fraction form
    53,445.60/73,754.40 = 31,945.20/x
  3. Step 3: Cross multiply
    53,445.60x = 73,754.40 × 31,945.20
  4. Step 4: Simplify right side
    53,445.60x = 2,356,099,058.88
  5. Step 5: Solve for x
    x = 2,356,099,058.88/53,445.60
  6. Step 6: Final answer
    x = 44,084.06

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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.