Home / 54,237.40-74,851.76-31,270.96

Finding the Fourth Proportional to 54,237.40, 74,851.76 and 31,270.96

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Solution

The fourth proportional to 54,237.40, 74,851.76 and 31,270.96 is: 43,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.40 : 74,851.76 = 31,270.96 : x
  2. Step 2: Convert to fraction form
    54,237.40/74,851.76 = 31,270.96/x
  3. Step 3: Cross multiply
    54,237.40x = 74,851.76 × 31,270.96
  4. Step 4: Simplify right side
    54,237.40x = 2,340,686,392.89
  5. Step 5: Solve for x
    x = 2,340,686,392.89/54,237.40
  6. Step 6: Final answer
    x = 43,156.32

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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.