Home / 52,558.20-78,837.30-42,190.20

Finding the Fourth Proportional to 52,558.20, 78,837.30 and 42,190.20

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Solution

The fourth proportional to 52,558.20, 78,837.30 and 42,190.20 is: 63,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.20 : 78,837.30 = 42,190.20 : x
  2. Step 2: Convert to fraction form
    52,558.20/78,837.30 = 42,190.20/x
  3. Step 3: Cross multiply
    52,558.20x = 78,837.30 × 42,190.20
  4. Step 4: Simplify right side
    52,558.20x = 3,326,161,454.46
  5. Step 5: Solve for x
    x = 3,326,161,454.46/52,558.20
  6. Step 6: Final answer
    x = 63,285.30

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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.