Home / 56,131.62-84,210.90-18,692.04

Finding the Fourth Proportional to 56,131.62, 84,210.90 and 18,692.04

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Solution

The fourth proportional to 56,131.62, 84,210.90 and 18,692.04 is: 28,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131.62 : 84,210.90 = 18,692.04 : x
  2. Step 2: Convert to fraction form
    56,131.62/84,210.90 = 18,692.04/x
  3. Step 3: Cross multiply
    56,131.62x = 84,210.90 × 18,692.04
  4. Step 4: Simplify right side
    56,131.62x = 1,574,073,417.78
  5. Step 5: Solve for x
    x = 1,574,073,417.78/56,131.62
  6. Step 6: Final answer
    x = 28,042.54

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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.