Home / 35,591.16-53,419.08-18,965.40

Finding the Fourth Proportional to 35,591.16, 53,419.08 and 18,965.40

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Solution

The fourth proportional to 35,591.16, 53,419.08 and 18,965.40 is: 28,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.16 : 53,419.08 = 18,965.40 : x
  2. Step 2: Convert to fraction form
    35,591.16/53,419.08 = 18,965.40/x
  3. Step 3: Cross multiply
    35,591.16x = 53,419.08 × 18,965.40
  4. Step 4: Simplify right side
    35,591.16x = 1,013,114,219.83
  5. Step 5: Solve for x
    x = 1,013,114,219.83/35,591.16
  6. Step 6: Final answer
    x = 28,465.33

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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.