Home / 47,917.10-66,145.59-30,008.00

Finding the Fourth Proportional to 47,917.10, 66,145.59 and 30,008.00

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Solution

The fourth proportional to 47,917.10, 66,145.59 and 30,008.00 is: 41,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.10 : 66,145.59 = 30,008.00 : x
  2. Step 2: Convert to fraction form
    47,917.10/66,145.59 = 30,008.00/x
  3. Step 3: Cross multiply
    47,917.10x = 66,145.59 × 30,008.00
  4. Step 4: Simplify right side
    47,917.10x = 1,984,896,533.99
  5. Step 5: Solve for x
    x = 1,984,896,533.99/47,917.10
  6. Step 6: Final answer
    x = 41,423.56

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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.