Home / 55,156.32-76,142.16-33,953.76

Finding the Fourth Proportional to 55,156.32, 76,142.16 and 33,953.76

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Solution

The fourth proportional to 55,156.32, 76,142.16 and 33,953.76 is: 46,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.32 : 76,142.16 = 33,953.76 : x
  2. Step 2: Convert to fraction form
    55,156.32/76,142.16 = 33,953.76/x
  3. Step 3: Cross multiply
    55,156.32x = 76,142.16 × 33,953.76
  4. Step 4: Simplify right side
    55,156.32x = 2,585,312,626.52
  5. Step 5: Solve for x
    x = 2,585,312,626.52/55,156.32
  6. Step 6: Final answer
    x = 46,872.46

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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.