Home / 56,270.46-84,388.68-18,820.92

Finding the Fourth Proportional to 56,270.46, 84,388.68 and 18,820.92

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Solution

The fourth proportional to 56,270.46, 84,388.68 and 18,820.92 is: 28,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.46 : 84,388.68 = 18,820.92 : x
  2. Step 2: Convert to fraction form
    56,270.46/84,388.68 = 18,820.92/x
  3. Step 3: Cross multiply
    56,270.46x = 84,388.68 × 18,820.92
  4. Step 4: Simplify right side
    56,270.46x = 1,588,272,595.19
  5. Step 5: Solve for x
    x = 1,588,272,595.19/56,270.46
  6. Step 6: Final answer
    x = 28,225.69

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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.