Home / 39,154.02-54,005.78-25,000.49

Finding the Fourth Proportional to 39,154.02, 54,005.78 and 25,000.49

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Solution

The fourth proportional to 39,154.02, 54,005.78 and 25,000.49 is: 34,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.02 : 54,005.78 = 25,000.49 : x
  2. Step 2: Convert to fraction form
    39,154.02/54,005.78 = 25,000.49/x
  3. Step 3: Cross multiply
    39,154.02x = 54,005.78 × 25,000.49
  4. Step 4: Simplify right side
    39,154.02x = 1,350,170,962.83
  5. Step 5: Solve for x
    x = 1,350,170,962.83/39,154.02
  6. Step 6: Final answer
    x = 34,483.58

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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.