Home / 30,320.70-41,837.58-16,888.92

Finding the Fourth Proportional to 30,320.70, 41,837.58 and 16,888.92

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Solution

The fourth proportional to 30,320.70, 41,837.58 and 16,888.92 is: 23,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.70 : 41,837.58 = 16,888.92 : x
  2. Step 2: Convert to fraction form
    30,320.70/41,837.58 = 16,888.92/x
  3. Step 3: Cross multiply
    30,320.70x = 41,837.58 × 16,888.92
  4. Step 4: Simplify right side
    30,320.70x = 706,591,541.61
  5. Step 5: Solve for x
    x = 706,591,541.61/30,320.70
  6. Step 6: Final answer
    x = 23,303.93

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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.