Home / 57,013.76-85,520.63-17,570.86

Finding the Fourth Proportional to 57,013.76, 85,520.63 and 17,570.86

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Solution

The fourth proportional to 57,013.76, 85,520.63 and 17,570.86 is: 26,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.76 : 85,520.63 = 17,570.86 : x
  2. Step 2: Convert to fraction form
    57,013.76/85,520.63 = 17,570.86/x
  3. Step 3: Cross multiply
    57,013.76x = 85,520.63 × 17,570.86
  4. Step 4: Simplify right side
    57,013.76x = 1,502,670,846.97
  5. Step 5: Solve for x
    x = 1,502,670,846.97/57,013.76
  6. Step 6: Final answer
    x = 26,356.28

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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.