Home / 30,140.07-41,588.91-16,711.32

Finding the Fourth Proportional to 30,140.07, 41,588.91 and 16,711.32

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Solution

The fourth proportional to 30,140.07, 41,588.91 and 16,711.32 is: 23,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.07 : 41,588.91 = 16,711.32 : x
  2. Step 2: Convert to fraction form
    30,140.07/41,588.91 = 16,711.32/x
  3. Step 3: Cross multiply
    30,140.07x = 41,588.91 × 16,711.32
  4. Step 4: Simplify right side
    30,140.07x = 695,005,583.46
  5. Step 5: Solve for x
    x = 695,005,583.46/30,140.07
  6. Step 6: Final answer
    x = 23,059.19

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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.