Home / 52,053.21-78,094.40-20,910.33

Finding the Fourth Proportional to 52,053.21, 78,094.40 and 20,910.33

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Solution

The fourth proportional to 52,053.21, 78,094.40 and 20,910.33 is: 31,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.21 : 78,094.40 = 20,910.33 : x
  2. Step 2: Convert to fraction form
    52,053.21/78,094.40 = 20,910.33/x
  3. Step 3: Cross multiply
    52,053.21x = 78,094.40 × 20,910.33
  4. Step 4: Simplify right side
    52,053.21x = 1,632,979,570.60
  5. Step 5: Solve for x
    x = 1,632,979,570.60/52,053.21
  6. Step 6: Final answer
    x = 31,371.35

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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.