Home / 30,358.78-45,771.76-29,814.46

Finding the Fourth Proportional to 30,358.78, 45,771.76 and 29,814.46

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Solution

The fourth proportional to 30,358.78, 45,771.76 and 29,814.46 is: 44,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.78 : 45,771.76 = 29,814.46 : x
  2. Step 2: Convert to fraction form
    30,358.78/45,771.76 = 29,814.46/x
  3. Step 3: Cross multiply
    30,358.78x = 45,771.76 × 29,814.46
  4. Step 4: Simplify right side
    30,358.78x = 1,364,660,307.65
  5. Step 5: Solve for x
    x = 1,364,660,307.65/30,358.78
  6. Step 6: Final answer
    x = 44,951.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.