Home / 54,243.40-74,853.70-31,583.07

Finding the Fourth Proportional to 54,243.40, 74,853.70 and 31,583.07

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Solution

The fourth proportional to 54,243.40, 74,853.70 and 31,583.07 is: 43,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.40 : 74,853.70 = 31,583.07 : x
  2. Step 2: Convert to fraction form
    54,243.40/74,853.70 = 31,583.07/x
  3. Step 3: Cross multiply
    54,243.40x = 74,853.70 × 31,583.07
  4. Step 4: Simplify right side
    54,243.40x = 2,364,109,646.86
  5. Step 5: Solve for x
    x = 2,364,109,646.86/54,243.40
  6. Step 6: Final answer
    x = 43,583.36

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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.