Home / 47,817.22-66,017.28-30,827.50

Finding the Fourth Proportional to 47,817.22, 66,017.28 and 30,827.50

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Solution

The fourth proportional to 47,817.22, 66,017.28 and 30,827.50 is: 42,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.22 : 66,017.28 = 30,827.50 : x
  2. Step 2: Convert to fraction form
    47,817.22/66,017.28 = 30,827.50/x
  3. Step 3: Cross multiply
    47,817.22x = 66,017.28 × 30,827.50
  4. Step 4: Simplify right side
    47,817.22x = 2,035,147,699.20
  5. Step 5: Solve for x
    x = 2,035,147,699.20/47,817.22
  6. Step 6: Final answer
    x = 42,560.98

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1.5x scale

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.