Home / 30,360.18-41,897.28-16,932.30

Finding the Fourth Proportional to 30,360.18, 41,897.28 and 16,932.30

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Solution

The fourth proportional to 30,360.18, 41,897.28 and 16,932.30 is: 23,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.18 : 41,897.28 = 16,932.30 : x
  2. Step 2: Convert to fraction form
    30,360.18/41,897.28 = 16,932.30/x
  3. Step 3: Cross multiply
    30,360.18x = 41,897.28 × 16,932.30
  4. Step 4: Simplify right side
    30,360.18x = 709,417,314.14
  5. Step 5: Solve for x
    x = 709,417,314.14/30,360.18
  6. Step 6: Final answer
    x = 23,366.70

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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.