Home / 30,378.65-45,552.64-17,732.70

Finding the Fourth Proportional to 30,378.65, 45,552.64 and 17,732.70

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Solution

The fourth proportional to 30,378.65, 45,552.64 and 17,732.70 is: 26,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.65 : 45,552.64 = 17,732.70 : x
  2. Step 2: Convert to fraction form
    30,378.65/45,552.64 = 17,732.70/x
  3. Step 3: Cross multiply
    30,378.65x = 45,552.64 × 17,732.70
  4. Step 4: Simplify right side
    30,378.65x = 807,771,255.00
  5. Step 5: Solve for x
    x = 807,771,255.00/30,378.65
  6. Step 6: Final answer
    x = 26,590.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.