Home / 37,729.08-52,075.48-21,822.76

Finding the Fourth Proportional to 37,729.08, 52,075.48 and 21,822.76

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Solution

The fourth proportional to 37,729.08, 52,075.48 and 21,822.76 is: 30,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,729.08 : 52,075.48 = 21,822.76 : x
  2. Step 2: Convert to fraction form
    37,729.08/52,075.48 = 21,822.76/x
  3. Step 3: Cross multiply
    37,729.08x = 52,075.48 × 21,822.76
  4. Step 4: Simplify right side
    37,729.08x = 1,136,430,701.92
  5. Step 5: Solve for x
    x = 1,136,430,701.92/37,729.08
  6. Step 6: Final answer
    x = 30,120.82

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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.