Home / 30,045.07-41,460.95-16,432.90

Finding the Fourth Proportional to 30,045.07, 41,460.95 and 16,432.90

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Solution

The fourth proportional to 30,045.07, 41,460.95 and 16,432.90 is: 22,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.07 : 41,460.95 = 16,432.90 : x
  2. Step 2: Convert to fraction form
    30,045.07/41,460.95 = 16,432.90/x
  3. Step 3: Cross multiply
    30,045.07x = 41,460.95 × 16,432.90
  4. Step 4: Simplify right side
    30,045.07x = 681,323,355.79
  5. Step 5: Solve for x
    x = 681,323,355.79/30,045.07
  6. Step 6: Final answer
    x = 22,676.71

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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.