Home / 35,372.13-48,820.47-20,274.91

Finding the Fourth Proportional to 35,372.13, 48,820.47 and 20,274.91

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Solution

The fourth proportional to 35,372.13, 48,820.47 and 20,274.91 is: 27,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.13 : 48,820.47 = 20,274.91 : x
  2. Step 2: Convert to fraction form
    35,372.13/48,820.47 = 20,274.91/x
  3. Step 3: Cross multiply
    35,372.13x = 48,820.47 × 20,274.91
  4. Step 4: Simplify right side
    35,372.13x = 989,830,635.41
  5. Step 5: Solve for x
    x = 989,830,635.41/35,372.13
  6. Step 6: Final answer
    x = 27,983.35

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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.