Home / 56,385.18-84,561.36-18,941.04

Finding the Fourth Proportional to 56,385.18, 84,561.36 and 18,941.04

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Solution

The fourth proportional to 56,385.18, 84,561.36 and 18,941.04 is: 28,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385.18 : 84,561.36 = 18,941.04 : x
  2. Step 2: Convert to fraction form
    56,385.18/84,561.36 = 18,941.04/x
  3. Step 3: Cross multiply
    56,385.18x = 84,561.36 × 18,941.04
  4. Step 4: Simplify right side
    56,385.18x = 1,601,680,102.21
  5. Step 5: Solve for x
    x = 1,601,680,102.21/56,385.18
  6. Step 6: Final answer
    x = 28,406.05

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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.