Home / 35,136.60-48,488.12-19,220.86

Finding the Fourth Proportional to 35,136.60, 48,488.12 and 19,220.86

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Solution

The fourth proportional to 35,136.60, 48,488.12 and 19,220.86 is: 26,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.60 : 48,488.12 = 19,220.86 : x
  2. Step 2: Convert to fraction form
    35,136.60/48,488.12 = 19,220.86/x
  3. Step 3: Cross multiply
    35,136.60x = 48,488.12 × 19,220.86
  4. Step 4: Simplify right side
    35,136.60x = 931,983,148.86
  5. Step 5: Solve for x
    x = 931,983,148.86/35,136.60
  6. Step 6: Final answer
    x = 26,524.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.