Home / 53,979.72-74,495.60-31,326.04

Finding the Fourth Proportional to 53,979.72, 74,495.60 and 31,326.04

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Solution

The fourth proportional to 53,979.72, 74,495.60 and 31,326.04 is: 43,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.72 : 74,495.60 = 31,326.04 : x
  2. Step 2: Convert to fraction form
    53,979.72/74,495.60 = 31,326.04/x
  3. Step 3: Cross multiply
    53,979.72x = 74,495.60 × 31,326.04
  4. Step 4: Simplify right side
    53,979.72x = 2,333,652,199.39
  5. Step 5: Solve for x
    x = 2,333,652,199.39/53,979.72
  6. Step 6: Final answer
    x = 43,232.02

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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.