Home / 52,608.06-78,860.13-20,999.07

Finding the Fourth Proportional to 52,608.06, 78,860.13 and 20,999.07

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Solution

The fourth proportional to 52,608.06, 78,860.13 and 20,999.07 is: 31,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,608.06 : 78,860.13 = 20,999.07 : x
  2. Step 2: Convert to fraction form
    52,608.06/78,860.13 = 20,999.07/x
  3. Step 3: Cross multiply
    52,608.06x = 78,860.13 × 20,999.07
  4. Step 4: Simplify right side
    52,608.06x = 1,655,989,390.08
  5. Step 5: Solve for x
    x = 1,655,989,390.08/52,608.06
  6. Step 6: Final answer
    x = 31,477.86

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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.