Home / 53,854.64-74,313.56-29,979.44

Finding the Fourth Proportional to 53,854.64, 74,313.56 and 29,979.44

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Solution

The fourth proportional to 53,854.64, 74,313.56 and 29,979.44 is: 41,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.64 : 74,313.56 = 29,979.44 : x
  2. Step 2: Convert to fraction form
    53,854.64/74,313.56 = 29,979.44/x
  3. Step 3: Cross multiply
    53,854.64x = 74,313.56 × 29,979.44
  4. Step 4: Simplify right side
    53,854.64x = 2,227,878,913.21
  5. Step 5: Solve for x
    x = 2,227,878,913.21/53,854.64
  6. Step 6: Final answer
    x = 41,368.37

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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.