Home / 39,215.62-58,807.86-14,242.05

Finding the Fourth Proportional to 39,215.62, 58,807.86 and 14,242.05

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Solution

The fourth proportional to 39,215.62, 58,807.86 and 14,242.05 is: 21,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.62 : 58,807.86 = 14,242.05 : x
  2. Step 2: Convert to fraction form
    39,215.62/58,807.86 = 14,242.05/x
  3. Step 3: Cross multiply
    39,215.62x = 58,807.86 × 14,242.05
  4. Step 4: Simplify right side
    39,215.62x = 837,544,482.51
  5. Step 5: Solve for x
    x = 837,544,482.51/39,215.62
  6. Step 6: Final answer
    x = 21,357.42

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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.