Home / 39,099.96-53,915.13-29,047.05

Finding the Fourth Proportional to 39,099.96, 53,915.13 and 29,047.05

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Solution

The fourth proportional to 39,099.96, 53,915.13 and 29,047.05 is: 40,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.96 : 53,915.13 = 29,047.05 : x
  2. Step 2: Convert to fraction form
    39,099.96/53,915.13 = 29,047.05/x
  3. Step 3: Cross multiply
    39,099.96x = 53,915.13 × 29,047.05
  4. Step 4: Simplify right side
    39,099.96x = 1,566,075,476.87
  5. Step 5: Solve for x
    x = 1,566,075,476.87/39,099.96
  6. Step 6: Final answer
    x = 40,053.12

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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.