Home / 38,651.79-53,340.80-22,518.03

Finding the Fourth Proportional to 38,651.79, 53,340.80 and 22,518.03

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Solution

The fourth proportional to 38,651.79, 53,340.80 and 22,518.03 is: 31,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.79 : 53,340.80 = 22,518.03 : x
  2. Step 2: Convert to fraction form
    38,651.79/53,340.80 = 22,518.03/x
  3. Step 3: Cross multiply
    38,651.79x = 53,340.80 × 22,518.03
  4. Step 4: Simplify right side
    38,651.79x = 1,201,129,622.03
  5. Step 5: Solve for x
    x = 1,201,129,622.03/38,651.79
  6. Step 6: Final answer
    x = 31,075.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.