Home / 53,627.09-74,006.25-30,968.06

Finding the Fourth Proportional to 53,627.09, 74,006.25 and 30,968.06

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Solution

The fourth proportional to 53,627.09, 74,006.25 and 30,968.06 is: 42,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.09 : 74,006.25 = 30,968.06 : x
  2. Step 2: Convert to fraction form
    53,627.09/74,006.25 = 30,968.06/x
  3. Step 3: Cross multiply
    53,627.09x = 74,006.25 × 30,968.06
  4. Step 4: Simplify right side
    53,627.09x = 2,291,829,920.50
  5. Step 5: Solve for x
    x = 2,291,829,920.50/53,627.09
  6. Step 6: Final answer
    x = 42,736.42

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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.