Home / 42,211.45-63,328.70-14,136.13

Finding the Fourth Proportional to 42,211.45, 63,328.70 and 14,136.13

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Solution

The fourth proportional to 42,211.45, 63,328.70 and 14,136.13 is: 21,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,211.45 : 63,328.70 = 14,136.13 : x
  2. Step 2: Convert to fraction form
    42,211.45/63,328.70 = 14,136.13/x
  3. Step 3: Cross multiply
    42,211.45x = 63,328.70 × 14,136.13
  4. Step 4: Simplify right side
    42,211.45x = 895,222,735.93
  5. Step 5: Solve for x
    x = 895,222,735.93/42,211.45
  6. Step 6: Final answer
    x = 21,208.05

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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.