Home / 20,644.22-31,041.03-19,020.35

Finding the Fourth Proportional to 20,644.22, 31,041.03 and 19,020.35

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Solution

The fourth proportional to 20,644.22, 31,041.03 and 19,020.35 is: 28,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644.22 : 31,041.03 = 19,020.35 : x
  2. Step 2: Convert to fraction form
    20,644.22/31,041.03 = 19,020.35/x
  3. Step 3: Cross multiply
    20,644.22x = 31,041.03 × 19,020.35
  4. Step 4: Simplify right side
    20,644.22x = 590,411,254.96
  5. Step 5: Solve for x
    x = 590,411,254.96/20,644.22
  6. Step 6: Final answer
    x = 28,599.35

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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.