Home / 56,228.92-84,352.02-18,777.40

Finding the Fourth Proportional to 56,228.92, 84,352.02 and 18,777.40

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Solution

The fourth proportional to 56,228.92, 84,352.02 and 18,777.40 is: 28,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.92 : 84,352.02 = 18,777.40 : x
  2. Step 2: Convert to fraction form
    56,228.92/84,352.02 = 18,777.40/x
  3. Step 3: Cross multiply
    56,228.92x = 84,352.02 × 18,777.40
  4. Step 4: Simplify right side
    56,228.92x = 1,583,911,620.35
  5. Step 5: Solve for x
    x = 1,583,911,620.35/56,228.92
  6. Step 6: Final answer
    x = 28,168.99

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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.