Home / 52,890.09-72,989.34-29,015.34

Finding the Fourth Proportional to 52,890.09, 72,989.34 and 29,015.34

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Solution

The fourth proportional to 52,890.09, 72,989.34 and 29,015.34 is: 40,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.09 : 72,989.34 = 29,015.34 : x
  2. Step 2: Convert to fraction form
    52,890.09/72,989.34 = 29,015.34/x
  3. Step 3: Cross multiply
    52,890.09x = 72,989.34 × 29,015.34
  4. Step 4: Simplify right side
    52,890.09x = 2,117,810,516.48
  5. Step 5: Solve for x
    x = 2,117,810,516.48/52,890.09
  6. Step 6: Final answer
    x = 40,041.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.