Home / 42,359.08-63,486.06-14,624.68

Finding the Fourth Proportional to 42,359.08, 63,486.06 and 14,624.68

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Solution

The fourth proportional to 42,359.08, 63,486.06 and 14,624.68 is: 21,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.08 : 63,486.06 = 14,624.68 : x
  2. Step 2: Convert to fraction form
    42,359.08/63,486.06 = 14,624.68/x
  3. Step 3: Cross multiply
    42,359.08x = 63,486.06 × 14,624.68
  4. Step 4: Simplify right side
    42,359.08x = 928,463,311.96
  5. Step 5: Solve for x
    x = 928,463,311.96/42,359.08
  6. Step 6: Final answer
    x = 21,918.87

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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.