Home / 42,424.60-63,620.70-12,832.60

Finding the Fourth Proportional to 42,424.60, 63,620.70 and 12,832.60

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Solution

The fourth proportional to 42,424.60, 63,620.70 and 12,832.60 is: 19,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.60 : 63,620.70 = 12,832.60 : x
  2. Step 2: Convert to fraction form
    42,424.60/63,620.70 = 12,832.60/x
  3. Step 3: Cross multiply
    42,424.60x = 63,620.70 × 12,832.60
  4. Step 4: Simplify right side
    42,424.60x = 816,418,994.82
  5. Step 5: Solve for x
    x = 816,418,994.82/42,424.60
  6. Step 6: Final answer
    x = 19,244.00

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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.