Home / 52,280.16-78,420.24-18,994.02

Finding the Fourth Proportional to 52,280.16, 78,420.24 and 18,994.02

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Solution

The fourth proportional to 52,280.16, 78,420.24 and 18,994.02 is: 28,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.16 : 78,420.24 = 18,994.02 : x
  2. Step 2: Convert to fraction form
    52,280.16/78,420.24 = 18,994.02/x
  3. Step 3: Cross multiply
    52,280.16x = 78,420.24 × 18,994.02
  4. Step 4: Simplify right side
    52,280.16x = 1,489,515,606.96
  5. Step 5: Solve for x
    x = 1,489,515,606.96/52,280.16
  6. Step 6: Final answer
    x = 28,491.03

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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.