Home / 47,266.20-70,899.30-13,991.40

Finding the Fourth Proportional to 47,266.20, 70,899.30 and 13,991.40

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Solution

The fourth proportional to 47,266.20, 70,899.30 and 13,991.40 is: 20,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,266.20 : 70,899.30 = 13,991.40 : x
  2. Step 2: Convert to fraction form
    47,266.20/70,899.30 = 13,991.40/x
  3. Step 3: Cross multiply
    47,266.20x = 70,899.30 × 13,991.40
  4. Step 4: Simplify right side
    47,266.20x = 991,980,466.02
  5. Step 5: Solve for x
    x = 991,980,466.02/47,266.20
  6. Step 6: Final answer
    x = 20,987.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.