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Finding the Fourth Proportional to 35,580.66, 53,373.99 and 10,619.10

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Solution

The fourth proportional to 35,580.66, 53,373.99 and 10,619.10 is: 15,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580.66 : 53,373.99 = 10,619.10 : x
  2. Step 2: Convert to fraction form
    35,580.66/53,373.99 = 10,619.10/x
  3. Step 3: Cross multiply
    35,580.66x = 53,373.99 × 10,619.10
  4. Step 4: Simplify right side
    35,580.66x = 566,783,737.21
  5. Step 5: Solve for x
    x = 566,783,737.21/35,580.66
  6. Step 6: Final answer
    x = 15,929.55

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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.