Home / 55,368.65-83,032.52-19,820.34

Finding the Fourth Proportional to 55,368.65, 83,032.52 and 19,820.34

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Solution

The fourth proportional to 55,368.65, 83,032.52 and 19,820.34 is: 29,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.65 : 83,032.52 = 19,820.34 : x
  2. Step 2: Convert to fraction form
    55,368.65/83,032.52 = 19,820.34/x
  3. Step 3: Cross multiply
    55,368.65x = 83,032.52 × 19,820.34
  4. Step 4: Simplify right side
    55,368.65x = 1,645,732,678.36
  5. Step 5: Solve for x
    x = 1,645,732,678.36/55,368.65
  6. Step 6: Final answer
    x = 29,723.19

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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.