Home / 52,146.02-78,184.48-18,861.71

Finding the Fourth Proportional to 52,146.02, 78,184.48 and 18,861.71

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Solution

The fourth proportional to 52,146.02, 78,184.48 and 18,861.71 is: 28,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,146.02 : 78,184.48 = 18,861.71 : x
  2. Step 2: Convert to fraction form
    52,146.02/78,184.48 = 18,861.71/x
  3. Step 3: Cross multiply
    52,146.02x = 78,184.48 × 18,861.71
  4. Step 4: Simplify right side
    52,146.02x = 1,474,692,597.34
  5. Step 5: Solve for x
    x = 1,474,692,597.34/52,146.02
  6. Step 6: Final answer
    x = 28,280.06

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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.