Home / 56,970.09-85,454.87-19,530.27

Finding the Fourth Proportional to 56,970.09, 85,454.87 and 19,530.27

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Solution

The fourth proportional to 56,970.09, 85,454.87 and 19,530.27 is: 29,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.09 : 85,454.87 = 19,530.27 : x
  2. Step 2: Convert to fraction form
    56,970.09/85,454.87 = 19,530.27/x
  3. Step 3: Cross multiply
    56,970.09x = 85,454.87 × 19,530.27
  4. Step 4: Simplify right side
    56,970.09x = 1,668,956,586.26
  5. Step 5: Solve for x
    x = 1,668,956,586.26/56,970.09
  6. Step 6: Final answer
    x = 29,295.31

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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.