Home / 53,009.36-79,462.20-21,866.96

Finding the Fourth Proportional to 53,009.36, 79,462.20 and 21,866.96

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Solution

The fourth proportional to 53,009.36, 79,462.20 and 21,866.96 is: 32,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.36 : 79,462.20 = 21,866.96 : x
  2. Step 2: Convert to fraction form
    53,009.36/79,462.20 = 21,866.96/x
  3. Step 3: Cross multiply
    53,009.36x = 79,462.20 × 21,866.96
  4. Step 4: Simplify right side
    53,009.36x = 1,737,596,748.91
  5. Step 5: Solve for x
    x = 1,737,596,748.91/53,009.36
  6. Step 6: Final answer
    x = 32,779.06

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1.5x scale

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.