Home / 53,626.09-74,005.38-29,428.10

Finding the Fourth Proportional to 53,626.09, 74,005.38 and 29,428.10

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Solution

The fourth proportional to 53,626.09, 74,005.38 and 29,428.10 is: 40,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,626.09 : 74,005.38 = 29,428.10 : x
  2. Step 2: Convert to fraction form
    53,626.09/74,005.38 = 29,428.10/x
  3. Step 3: Cross multiply
    53,626.09x = 74,005.38 × 29,428.10
  4. Step 4: Simplify right side
    53,626.09x = 2,177,837,723.18
  5. Step 5: Solve for x
    x = 2,177,837,723.18/53,626.09
  6. Step 6: Final answer
    x = 40,611.53

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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.