Home / 53,915.82-74,400.55-31,253.10

Finding the Fourth Proportional to 53,915.82, 74,400.55 and 31,253.10

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Solution

The fourth proportional to 53,915.82, 74,400.55 and 31,253.10 is: 43,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.82 : 74,400.55 = 31,253.10 : x
  2. Step 2: Convert to fraction form
    53,915.82/74,400.55 = 31,253.10/x
  3. Step 3: Cross multiply
    53,915.82x = 74,400.55 × 31,253.10
  4. Step 4: Simplify right side
    53,915.82x = 2,325,247,829.21
  5. Step 5: Solve for x
    x = 2,325,247,829.21/53,915.82
  6. Step 6: Final answer
    x = 43,127.38

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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.