Home / 53,921.34-74,411.74-31,273.75

Finding the Fourth Proportional to 53,921.34, 74,411.74 and 31,273.75

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Solution

The fourth proportional to 53,921.34, 74,411.74 and 31,273.75 is: 43,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.34 : 74,411.74 = 31,273.75 : x
  2. Step 2: Convert to fraction form
    53,921.34/74,411.74 = 31,273.75/x
  3. Step 3: Cross multiply
    53,921.34x = 74,411.74 × 31,273.75
  4. Step 4: Simplify right side
    53,921.34x = 2,327,134,153.83
  5. Step 5: Solve for x
    x = 2,327,134,153.83/53,921.34
  6. Step 6: Final answer
    x = 43,157.94

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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.