Home / 29,999.16-45,013.98-18,181.17

Finding the Fourth Proportional to 29,999.16, 45,013.98 and 18,181.17

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Solution

The fourth proportional to 29,999.16, 45,013.98 and 18,181.17 is: 27,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.16 : 45,013.98 = 18,181.17 : x
  2. Step 2: Convert to fraction form
    29,999.16/45,013.98 = 18,181.17/x
  3. Step 3: Cross multiply
    29,999.16x = 45,013.98 × 18,181.17
  4. Step 4: Simplify right side
    29,999.16x = 818,406,822.76
  5. Step 5: Solve for x
    x = 818,406,822.76/29,999.16
  6. Step 6: Final answer
    x = 27,280.99

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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.