Home / 55,758.55-76,946.90-31,885.22

Finding the Fourth Proportional to 55,758.55, 76,946.90 and 31,885.22

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Solution

The fourth proportional to 55,758.55, 76,946.90 and 31,885.22 is: 44,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.55 : 76,946.90 = 31,885.22 : x
  2. Step 2: Convert to fraction form
    55,758.55/76,946.90 = 31,885.22/x
  3. Step 3: Cross multiply
    55,758.55x = 76,946.90 × 31,885.22
  4. Step 4: Simplify right side
    55,758.55x = 2,453,468,834.82
  5. Step 5: Solve for x
    x = 2,453,468,834.82/55,758.55
  6. Step 6: Final answer
    x = 44,001.66

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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.