Home / 37,612.91-56,412.27-18,887.87

Finding the Fourth Proportional to 37,612.91, 56,412.27 and 18,887.87

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Solution

The fourth proportional to 37,612.91, 56,412.27 and 18,887.87 is: 28,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.91 : 56,412.27 = 18,887.87 : x
  2. Step 2: Convert to fraction form
    37,612.91/56,412.27 = 18,887.87/x
  3. Step 3: Cross multiply
    37,612.91x = 56,412.27 × 18,887.87
  4. Step 4: Simplify right side
    37,612.91x = 1,065,507,340.10
  5. Step 5: Solve for x
    x = 1,065,507,340.10/37,612.91
  6. Step 6: Final answer
    x = 28,328.24

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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.