Home / 42,299.40-63,420.30-16,000.20

Finding the Fourth Proportional to 42,299.40, 63,420.30 and 16,000.20

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Solution

The fourth proportional to 42,299.40, 63,420.30 and 16,000.20 is: 23,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.40 : 63,420.30 = 16,000.20 : x
  2. Step 2: Convert to fraction form
    42,299.40/63,420.30 = 16,000.20/x
  3. Step 3: Cross multiply
    42,299.40x = 63,420.30 × 16,000.20
  4. Step 4: Simplify right side
    42,299.40x = 1,014,737,484.06
  5. Step 5: Solve for x
    x = 1,014,737,484.06/42,299.40
  6. Step 6: Final answer
    x = 23,989.41

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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.