Home / 42,236.91-63,336.63-12,649.23

Finding the Fourth Proportional to 42,236.91, 63,336.63 and 12,649.23

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Solution

The fourth proportional to 42,236.91, 63,336.63 and 12,649.23 is: 18,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,236.91 : 63,336.63 = 12,649.23 : x
  2. Step 2: Convert to fraction form
    42,236.91/63,336.63 = 12,649.23/x
  3. Step 3: Cross multiply
    42,236.91x = 63,336.63 × 12,649.23
  4. Step 4: Simplify right side
    42,236.91x = 801,159,600.29
  5. Step 5: Solve for x
    x = 801,159,600.29/42,236.91
  6. Step 6: Final answer
    x = 18,968.23

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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.