Home / 76,428.35-114,538.28-29,018.06

Finding the Fourth Proportional to 76,428.35, 114,538.28 and 29,018.06

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Solution

The fourth proportional to 76,428.35, 114,538.28 and 29,018.06 is: 43,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,428.35 : 114,538.28 = 29,018.06 : x
  2. Step 2: Convert to fraction form
    76,428.35/114,538.28 = 29,018.06/x
  3. Step 3: Cross multiply
    76,428.35x = 114,538.28 × 29,018.06
  4. Step 4: Simplify right side
    76,428.35x = 3,323,678,181.19
  5. Step 5: Solve for x
    x = 3,323,678,181.19/76,428.35
  6. Step 6: Final answer
    x = 43,487.50

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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.