Home / 35,210.25-48,590.15-20,306.25

Finding the Fourth Proportional to 35,210.25, 48,590.15 and 20,306.25

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Solution

The fourth proportional to 35,210.25, 48,590.15 and 20,306.25 is: 28,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,210.25 : 48,590.15 = 20,306.25 : x
  2. Step 2: Convert to fraction form
    35,210.25/48,590.15 = 20,306.25/x
  3. Step 3: Cross multiply
    35,210.25x = 48,590.15 × 20,306.25
  4. Step 4: Simplify right side
    35,210.25x = 986,683,631.91
  5. Step 5: Solve for x
    x = 986,683,631.91/35,210.25
  6. Step 6: Final answer
    x = 28,022.63

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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.