Home / 57,051.72-85,585.78-17,612.21

Finding the Fourth Proportional to 57,051.72, 85,585.78 and 17,612.21

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Solution

The fourth proportional to 57,051.72, 85,585.78 and 17,612.21 is: 26,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.72 : 85,585.78 = 17,612.21 : x
  2. Step 2: Convert to fraction form
    57,051.72/85,585.78 = 17,612.21/x
  3. Step 3: Cross multiply
    57,051.72x = 85,585.78 × 17,612.21
  4. Step 4: Simplify right side
    57,051.72x = 1,507,354,730.37
  5. Step 5: Solve for x
    x = 1,507,354,730.37/57,051.72
  6. Step 6: Final answer
    x = 26,420.85

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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.