Home / 45,165.40-67,779.18-15,583.25

Finding the Fourth Proportional to 45,165.40, 67,779.18 and 15,583.25

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Solution

The fourth proportional to 45,165.40, 67,779.18 and 15,583.25 is: 23,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,165.40 : 67,779.18 = 15,583.25 : x
  2. Step 2: Convert to fraction form
    45,165.40/67,779.18 = 15,583.25/x
  3. Step 3: Cross multiply
    45,165.40x = 67,779.18 × 15,583.25
  4. Step 4: Simplify right side
    45,165.40x = 1,056,220,076.18
  5. Step 5: Solve for x
    x = 1,056,220,076.18/45,165.40
  6. Step 6: Final answer
    x = 23,385.60

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1.5x scale

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.