Home / 56,120.02-84,183.74-18,678.58

Finding the Fourth Proportional to 56,120.02, 84,183.74 and 18,678.58

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Solution

The fourth proportional to 56,120.02, 84,183.74 and 18,678.58 is: 28,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.02 : 84,183.74 = 18,678.58 : x
  2. Step 2: Convert to fraction form
    56,120.02/84,183.74 = 18,678.58/x
  3. Step 3: Cross multiply
    56,120.02x = 84,183.74 × 18,678.58
  4. Step 4: Simplify right side
    56,120.02x = 1,572,432,722.29
  5. Step 5: Solve for x
    x = 1,572,432,722.29/56,120.02
  6. Step 6: Final answer
    x = 28,019.10

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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.