Home / 52,436.58-78,611.33-20,827.14

Finding the Fourth Proportional to 52,436.58, 78,611.33 and 20,827.14

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Solution

The fourth proportional to 52,436.58, 78,611.33 and 20,827.14 is: 31,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436.58 : 78,611.33 = 20,827.14 : x
  2. Step 2: Convert to fraction form
    52,436.58/78,611.33 = 20,827.14/x
  3. Step 3: Cross multiply
    52,436.58x = 78,611.33 × 20,827.14
  4. Step 4: Simplify right side
    52,436.58x = 1,637,249,071.36
  5. Step 5: Solve for x
    x = 1,637,249,071.36/52,436.58
  6. Step 6: Final answer
    x = 31,223.41

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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.