Home / 30,043.90-45,075.20-21,726.92

Finding the Fourth Proportional to 30,043.90, 45,075.20 and 21,726.92

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Solution

The fourth proportional to 30,043.90, 45,075.20 and 21,726.92 is: 32,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.90 : 45,075.20 = 21,726.92 : x
  2. Step 2: Convert to fraction form
    30,043.90/45,075.20 = 21,726.92/x
  3. Step 3: Cross multiply
    30,043.90x = 45,075.20 × 21,726.92
  4. Step 4: Simplify right side
    30,043.90x = 979,345,390.65
  5. Step 5: Solve for x
    x = 979,345,390.65/30,043.90
  6. Step 6: Final answer
    x = 32,597.14

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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.