Home / 43,318.04-64,985.15-13,727.93

Finding the Fourth Proportional to 43,318.04, 64,985.15 and 13,727.93

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Solution

The fourth proportional to 43,318.04, 64,985.15 and 13,727.93 is: 20,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.04 : 64,985.15 = 13,727.93 : x
  2. Step 2: Convert to fraction form
    43,318.04/64,985.15 = 13,727.93/x
  3. Step 3: Cross multiply
    43,318.04x = 64,985.15 × 13,727.93
  4. Step 4: Simplify right side
    43,318.04x = 892,111,299.63
  5. Step 5: Solve for x
    x = 892,111,299.63/43,318.04
  6. Step 6: Final answer
    x = 20,594.45

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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.