Home / 39,320.02-58,902-18,558.10

Finding the Fourth Proportional to 39,320.02, 58,902 and 18,558.10

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Solution

The fourth proportional to 39,320.02, 58,902 and 18,558.10 is: 27,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.02 : 58,902 = 18,558.10 : x
  2. Step 2: Convert to fraction form
    39,320.02/58,902 = 18,558.10/x
  3. Step 3: Cross multiply
    39,320.02x = 58,902 × 18,558.10
  4. Step 4: Simplify right side
    39,320.02x = 1,093,109,206.20
  5. Step 5: Solve for x
    x = 1,093,109,206.20/39,320.02
  6. Step 6: Final answer
    x = 27,800.32

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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.