Home / 42,346.26-63,521.01-12,768.30

Finding the Fourth Proportional to 42,346.26, 63,521.01 and 12,768.30

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Solution

The fourth proportional to 42,346.26, 63,521.01 and 12,768.30 is: 19,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,346.26 : 63,521.01 = 12,768.30 : x
  2. Step 2: Convert to fraction form
    42,346.26/63,521.01 = 12,768.30/x
  3. Step 3: Cross multiply
    42,346.26x = 63,521.01 × 12,768.30
  4. Step 4: Simplify right side
    42,346.26x = 811,055,311.98
  5. Step 5: Solve for x
    x = 811,055,311.98/42,346.26
  6. Step 6: Final answer
    x = 19,152.94

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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.