Home / 52,012.04-78,021.30-20,843.24

Finding the Fourth Proportional to 52,012.04, 78,021.30 and 20,843.24

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Solution

The fourth proportional to 52,012.04, 78,021.30 and 20,843.24 is: 31,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,012.04 : 78,021.30 = 20,843.24 : x
  2. Step 2: Convert to fraction form
    52,012.04/78,021.30 = 20,843.24/x
  3. Step 3: Cross multiply
    52,012.04x = 78,021.30 × 20,843.24
  4. Step 4: Simplify right side
    52,012.04x = 1,626,216,681.01
  5. Step 5: Solve for x
    x = 1,626,216,681.01/52,012.04
  6. Step 6: Final answer
    x = 31,266.16

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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.