Home / 20,056.71-30,088.03-18,826.59

Finding the Fourth Proportional to 20,056.71, 30,088.03 and 18,826.59

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Solution

The fourth proportional to 20,056.71, 30,088.03 and 18,826.59 is: 28,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.71 : 30,088.03 = 18,826.59 : x
  2. Step 2: Convert to fraction form
    20,056.71/30,088.03 = 18,826.59/x
  3. Step 3: Cross multiply
    20,056.71x = 30,088.03 × 18,826.59
  4. Step 4: Simplify right side
    20,056.71x = 566,455,004.72
  5. Step 5: Solve for x
    x = 566,455,004.72/20,056.71
  6. Step 6: Final answer
    x = 28,242.67

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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.