Home / 53,323.45-79,958.31-17,772.16

Finding the Fourth Proportional to 53,323.45, 79,958.31 and 17,772.16

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Solution

The fourth proportional to 53,323.45, 79,958.31 and 17,772.16 is: 26,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,323.45 : 79,958.31 = 17,772.16 : x
  2. Step 2: Convert to fraction form
    53,323.45/79,958.31 = 17,772.16/x
  3. Step 3: Cross multiply
    53,323.45x = 79,958.31 × 17,772.16
  4. Step 4: Simplify right side
    53,323.45x = 1,421,031,878.65
  5. Step 5: Solve for x
    x = 1,421,031,878.65/53,323.45
  6. Step 6: Final answer
    x = 26,649.29

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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.