Home / 53,075.52-79,613.28-21,911.04

Finding the Fourth Proportional to 53,075.52, 79,613.28 and 21,911.04

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Solution

The fourth proportional to 53,075.52, 79,613.28 and 21,911.04 is: 32,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.52 : 79,613.28 = 21,911.04 : x
  2. Step 2: Convert to fraction form
    53,075.52/79,613.28 = 21,911.04/x
  3. Step 3: Cross multiply
    53,075.52x = 79,613.28 × 21,911.04
  4. Step 4: Simplify right side
    53,075.52x = 1,744,409,762.61
  5. Step 5: Solve for x
    x = 1,744,409,762.61/53,075.52
  6. Step 6: Final answer
    x = 32,866.56

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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.