Home / 54,317.89-74,955.58-31,660.57

Finding the Fourth Proportional to 54,317.89, 74,955.58 and 31,660.57

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Solution

The fourth proportional to 54,317.89, 74,955.58 and 31,660.57 is: 43,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.89 : 74,955.58 = 31,660.57 : x
  2. Step 2: Convert to fraction form
    54,317.89/74,955.58 = 31,660.57/x
  3. Step 3: Cross multiply
    54,317.89x = 74,955.58 × 31,660.57
  4. Step 4: Simplify right side
    54,317.89x = 2,373,136,402.02
  5. Step 5: Solve for x
    x = 2,373,136,402.02/54,317.89
  6. Step 6: Final answer
    x = 43,689.77

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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.