Home / 55,746.34-76,942.13-35,315.20

Finding the Fourth Proportional to 55,746.34, 76,942.13 and 35,315.20

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Solution

The fourth proportional to 55,746.34, 76,942.13 and 35,315.20 is: 48,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746.34 : 76,942.13 = 35,315.20 : x
  2. Step 2: Convert to fraction form
    55,746.34/76,942.13 = 35,315.20/x
  3. Step 3: Cross multiply
    55,746.34x = 76,942.13 × 35,315.20
  4. Step 4: Simplify right side
    55,746.34x = 2,717,226,340.44
  5. Step 5: Solve for x
    x = 2,717,226,340.44/55,746.34
  6. Step 6: Final answer
    x = 48,742.69

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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.