Home / 55,297.11-76,285.95-35,143.20

Finding the Fourth Proportional to 55,297.11, 76,285.95 and 35,143.20

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Solution

The fourth proportional to 55,297.11, 76,285.95 and 35,143.20 is: 48,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.11 : 76,285.95 = 35,143.20 : x
  2. Step 2: Convert to fraction form
    55,297.11/76,285.95 = 35,143.20/x
  3. Step 3: Cross multiply
    55,297.11x = 76,285.95 × 35,143.20
  4. Step 4: Simplify right side
    55,297.11x = 2,680,932,398.04
  5. Step 5: Solve for x
    x = 2,680,932,398.04/55,297.11
  6. Step 6: Final answer
    x = 48,482.32

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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.