Home / 34,897.12-48,153.36-20,744.80

Finding the Fourth Proportional to 34,897.12, 48,153.36 and 20,744.80

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Solution

The fourth proportional to 34,897.12, 48,153.36 and 20,744.80 is: 28,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,897.12 : 48,153.36 = 20,744.80 : x
  2. Step 2: Convert to fraction form
    34,897.12/48,153.36 = 20,744.80/x
  3. Step 3: Cross multiply
    34,897.12x = 48,153.36 × 20,744.80
  4. Step 4: Simplify right side
    34,897.12x = 998,931,822.53
  5. Step 5: Solve for x
    x = 998,931,822.53/34,897.12
  6. Step 6: Final answer
    x = 28,625.05

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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.