Home / 52,014.06-78,032.61-20,427.15

Finding the Fourth Proportional to 52,014.06, 78,032.61 and 20,427.15

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Solution

The fourth proportional to 52,014.06, 78,032.61 and 20,427.15 is: 30,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,014.06 : 78,032.61 = 20,427.15 : x
  2. Step 2: Convert to fraction form
    52,014.06/78,032.61 = 20,427.15/x
  3. Step 3: Cross multiply
    52,014.06x = 78,032.61 × 20,427.15
  4. Step 4: Simplify right side
    52,014.06x = 1,593,983,829.36
  5. Step 5: Solve for x
    x = 1,593,983,829.36/52,014.06
  6. Step 6: Final answer
    x = 30,645.25

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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.