Home / 53,931.35-74,425.56-31,283.75

Finding the Fourth Proportional to 53,931.35, 74,425.56 and 31,283.75

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Solution

The fourth proportional to 53,931.35, 74,425.56 and 31,283.75 is: 43,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.35 : 74,425.56 = 31,283.75 : x
  2. Step 2: Convert to fraction form
    53,931.35/74,425.56 = 31,283.75/x
  3. Step 3: Cross multiply
    53,931.35x = 74,425.56 × 31,283.75
  4. Step 4: Simplify right side
    53,931.35x = 2,328,310,612.65
  5. Step 5: Solve for x
    x = 2,328,310,612.65/53,931.35
  6. Step 6: Final answer
    x = 43,171.75

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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.