Home / 52,711.04-79,077.28-21,548.80

Finding the Fourth Proportional to 52,711.04, 79,077.28 and 21,548.80

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Solution

The fourth proportional to 52,711.04, 79,077.28 and 21,548.80 is: 32,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.04 : 79,077.28 = 21,548.80 : x
  2. Step 2: Convert to fraction form
    52,711.04/79,077.28 = 21,548.80/x
  3. Step 3: Cross multiply
    52,711.04x = 79,077.28 × 21,548.80
  4. Step 4: Simplify right side
    52,711.04x = 1,704,020,491.26
  5. Step 5: Solve for x
    x = 1,704,020,491.26/52,711.04
  6. Step 6: Final answer
    x = 32,327.58

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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.