Home / 30,330.16-41,855.78-17,590.89

Finding the Fourth Proportional to 30,330.16, 41,855.78 and 17,590.89

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Solution

The fourth proportional to 30,330.16, 41,855.78 and 17,590.89 is: 24,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.16 : 41,855.78 = 17,590.89 : x
  2. Step 2: Convert to fraction form
    30,330.16/41,855.78 = 17,590.89/x
  3. Step 3: Cross multiply
    30,330.16x = 41,855.78 × 17,590.89
  4. Step 4: Simplify right side
    30,330.16x = 736,280,465.82
  5. Step 5: Solve for x
    x = 736,280,465.82/30,330.16
  6. Step 6: Final answer
    x = 24,275.52

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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.