Home / 56,036.80-84,045.48-18,595.36

Finding the Fourth Proportional to 56,036.80, 84,045.48 and 18,595.36

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Solution

The fourth proportional to 56,036.80, 84,045.48 and 18,595.36 is: 27,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036.80 : 84,045.48 = 18,595.36 : x
  2. Step 2: Convert to fraction form
    56,036.80/84,045.48 = 18,595.36/x
  3. Step 3: Cross multiply
    56,036.80x = 84,045.48 × 18,595.36
  4. Step 4: Simplify right side
    56,036.80x = 1,562,855,956.97
  5. Step 5: Solve for x
    x = 1,562,855,956.97/56,036.80
  6. Step 6: Final answer
    x = 27,889.81

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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.