Home / 35,372.50-48,820.98-20,275.28

Finding the Fourth Proportional to 35,372.50, 48,820.98 and 20,275.28

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Solution

The fourth proportional to 35,372.50, 48,820.98 and 20,275.28 is: 27,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.50 : 48,820.98 = 20,275.28 : x
  2. Step 2: Convert to fraction form
    35,372.50/48,820.98 = 20,275.28/x
  3. Step 3: Cross multiply
    35,372.50x = 48,820.98 × 20,275.28
  4. Step 4: Simplify right side
    35,372.50x = 989,859,039.37
  5. Step 5: Solve for x
    x = 989,859,039.37/35,372.50
  6. Step 6: Final answer
    x = 27,983.86

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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.