Home / 38,583.40-57,875.10-10,881.40

Finding the Fourth Proportional to 38,583.40, 57,875.10 and 10,881.40

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Solution

The fourth proportional to 38,583.40, 57,875.10 and 10,881.40 is: 16,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.40 : 57,875.10 = 10,881.40 : x
  2. Step 2: Convert to fraction form
    38,583.40/57,875.10 = 10,881.40/x
  3. Step 3: Cross multiply
    38,583.40x = 57,875.10 × 10,881.40
  4. Step 4: Simplify right side
    38,583.40x = 629,762,113.14
  5. Step 5: Solve for x
    x = 629,762,113.14/38,583.40
  6. Step 6: Final answer
    x = 16,322.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.