Home / 35,618.04-53,379.87-18,942.17

Finding the Fourth Proportional to 35,618.04, 53,379.87 and 18,942.17

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Solution

The fourth proportional to 35,618.04, 53,379.87 and 18,942.17 is: 28,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.04 : 53,379.87 = 18,942.17 : x
  2. Step 2: Convert to fraction form
    35,618.04/53,379.87 = 18,942.17/x
  3. Step 3: Cross multiply
    35,618.04x = 53,379.87 × 18,942.17
  4. Step 4: Simplify right side
    35,618.04x = 1,011,130,572.12
  5. Step 5: Solve for x
    x = 1,011,130,572.12/35,618.04
  6. Step 6: Final answer
    x = 28,388.16

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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.