Home / 55,979.04-83,973.36-14,426

Finding the Fourth Proportional to 55,979.04, 83,973.36 and 14,426

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Solution

The fourth proportional to 55,979.04, 83,973.36 and 14,426 is: 21,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.04 : 83,973.36 = 14,426 : x
  2. Step 2: Convert to fraction form
    55,979.04/83,973.36 = 14,426/x
  3. Step 3: Cross multiply
    55,979.04x = 83,973.36 × 14,426
  4. Step 4: Simplify right side
    55,979.04x = 1,211,399,691.36
  5. Step 5: Solve for x
    x = 1,211,399,691.36/55,979.04
  6. Step 6: Final answer
    x = 21,640.24

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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.