Home / 40,976.51-61,472.93-12,903.64

Finding the Fourth Proportional to 40,976.51, 61,472.93 and 12,903.64

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Solution

The fourth proportional to 40,976.51, 61,472.93 and 12,903.64 is: 19,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,976.51 : 61,472.93 = 12,903.64 : x
  2. Step 2: Convert to fraction form
    40,976.51/61,472.93 = 12,903.64/x
  3. Step 3: Cross multiply
    40,976.51x = 61,472.93 × 12,903.64
  4. Step 4: Simplify right side
    40,976.51x = 793,224,340.26
  5. Step 5: Solve for x
    x = 793,224,340.26/40,976.51
  6. Step 6: Final answer
    x = 19,358.03

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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.