Home / 43,312.86-64,946.21-19,919.25

Finding the Fourth Proportional to 43,312.86, 64,946.21 and 19,919.25

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Solution

The fourth proportional to 43,312.86, 64,946.21 and 19,919.25 is: 29,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.86 : 64,946.21 = 19,919.25 : x
  2. Step 2: Convert to fraction form
    43,312.86/64,946.21 = 19,919.25/x
  3. Step 3: Cross multiply
    43,312.86x = 64,946.21 × 19,919.25
  4. Step 4: Simplify right side
    43,312.86x = 1,293,679,693.95
  5. Step 5: Solve for x
    x = 1,293,679,693.95/43,312.86
  6. Step 6: Final answer
    x = 29,868.26

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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.