Home / 47,807.22-66,003.48-30,817.50

Finding the Fourth Proportional to 47,807.22, 66,003.48 and 30,817.50

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Solution

The fourth proportional to 47,807.22, 66,003.48 and 30,817.50 is: 42,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,807.22 : 66,003.48 = 30,817.50 : x
  2. Step 2: Convert to fraction form
    47,807.22/66,003.48 = 30,817.50/x
  3. Step 3: Cross multiply
    47,807.22x = 66,003.48 × 30,817.50
  4. Step 4: Simplify right side
    47,807.22x = 2,034,062,244.90
  5. Step 5: Solve for x
    x = 2,034,062,244.90/47,807.22
  6. Step 6: Final answer
    x = 42,547.18

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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.