Home / 42,202.77-63,294.72-12,616.77

Finding the Fourth Proportional to 42,202.77, 63,294.72 and 12,616.77

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Solution

The fourth proportional to 42,202.77, 63,294.72 and 12,616.77 is: 18,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,202.77 : 63,294.72 = 12,616.77 : x
  2. Step 2: Convert to fraction form
    42,202.77/63,294.72 = 12,616.77/x
  3. Step 3: Cross multiply
    42,202.77x = 63,294.72 × 12,616.77
  4. Step 4: Simplify right side
    42,202.77x = 798,574,924.45
  5. Step 5: Solve for x
    x = 798,574,924.45/42,202.77
  6. Step 6: Final answer
    x = 18,922.33

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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.