Home / 53,818.69-74,261.38-31,153.24

Finding the Fourth Proportional to 53,818.69, 74,261.38 and 31,153.24

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Solution

The fourth proportional to 53,818.69, 74,261.38 and 31,153.24 is: 42,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.69 : 74,261.38 = 31,153.24 : x
  2. Step 2: Convert to fraction form
    53,818.69/74,261.38 = 31,153.24/x
  3. Step 3: Cross multiply
    53,818.69x = 74,261.38 × 31,153.24
  4. Step 4: Simplify right side
    53,818.69x = 2,313,482,593.87
  5. Step 5: Solve for x
    x = 2,313,482,593.87/53,818.69
  6. Step 6: Final answer
    x = 42,986.60

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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.