Home / 42,602.20-63,903.30-11,012.20

Finding the Fourth Proportional to 42,602.20, 63,903.30 and 11,012.20

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Solution

The fourth proportional to 42,602.20, 63,903.30 and 11,012.20 is: 16,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.20 : 63,903.30 = 11,012.20 : x
  2. Step 2: Convert to fraction form
    42,602.20/63,903.30 = 11,012.20/x
  3. Step 3: Cross multiply
    42,602.20x = 63,903.30 × 11,012.20
  4. Step 4: Simplify right side
    42,602.20x = 703,715,920.26
  5. Step 5: Solve for x
    x = 703,715,920.26/42,602.20
  6. Step 6: Final answer
    x = 16,518.30

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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.