Home / 57,561.02-86,341.80-20,120.93

Finding the Fourth Proportional to 57,561.02, 86,341.80 and 20,120.93

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Solution

The fourth proportional to 57,561.02, 86,341.80 and 20,120.93 is: 30,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,561.02 : 86,341.80 = 20,120.93 : x
  2. Step 2: Convert to fraction form
    57,561.02/86,341.80 = 20,120.93/x
  3. Step 3: Cross multiply
    57,561.02x = 86,341.80 × 20,120.93
  4. Step 4: Simplify right side
    57,561.02x = 1,737,277,313.87
  5. Step 5: Solve for x
    x = 1,737,277,313.87/57,561.02
  6. Step 6: Final answer
    x = 30,181.49

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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.