Home / 35,304.32-48,717.12-20,401.28

Finding the Fourth Proportional to 35,304.32, 48,717.12 and 20,401.28

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Solution

The fourth proportional to 35,304.32, 48,717.12 and 20,401.28 is: 28,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.32 : 48,717.12 = 20,401.28 : x
  2. Step 2: Convert to fraction form
    35,304.32/48,717.12 = 20,401.28/x
  3. Step 3: Cross multiply
    35,304.32x = 48,717.12 × 20,401.28
  4. Step 4: Simplify right side
    35,304.32x = 993,891,605.91
  5. Step 5: Solve for x
    x = 993,891,605.91/35,304.32
  6. Step 6: Final answer
    x = 28,152.12

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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.