Home / 39,711.02-59,475.81-18,949.10

Finding the Fourth Proportional to 39,711.02, 59,475.81 and 18,949.10

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Solution

The fourth proportional to 39,711.02, 59,475.81 and 18,949.10 is: 28,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.02 : 59,475.81 = 18,949.10 : x
  2. Step 2: Convert to fraction form
    39,711.02/59,475.81 = 18,949.10/x
  3. Step 3: Cross multiply
    39,711.02x = 59,475.81 × 18,949.10
  4. Step 4: Simplify right side
    39,711.02x = 1,127,013,071.27
  5. Step 5: Solve for x
    x = 1,127,013,071.27/39,711.02
  6. Step 6: Final answer
    x = 28,380.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.