Home / 37,581.12-56,336.81-13,875.57

Finding the Fourth Proportional to 37,581.12, 56,336.81 and 13,875.57

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Solution

The fourth proportional to 37,581.12, 56,336.81 and 13,875.57 is: 20,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.12 : 56,336.81 = 13,875.57 : x
  2. Step 2: Convert to fraction form
    37,581.12/56,336.81 = 13,875.57/x
  3. Step 3: Cross multiply
    37,581.12x = 56,336.81 × 13,875.57
  4. Step 4: Simplify right side
    37,581.12x = 781,705,281.35
  5. Step 5: Solve for x
    x = 781,705,281.35/37,581.12
  6. Step 6: Final answer
    x = 20,800.48

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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.