Home / 47,652.83-71,503.64-21,017.39

Finding the Fourth Proportional to 47,652.83, 71,503.64 and 21,017.39

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Solution

The fourth proportional to 47,652.83, 71,503.64 and 21,017.39 is: 31,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,652.83 : 71,503.64 = 21,017.39 : x
  2. Step 2: Convert to fraction form
    47,652.83/71,503.64 = 21,017.39/x
  3. Step 3: Cross multiply
    47,652.83x = 71,503.64 × 21,017.39
  4. Step 4: Simplify right side
    47,652.83x = 1,502,819,888.30
  5. Step 5: Solve for x
    x = 1,502,819,888.30/47,652.83
  6. Step 6: Final answer
    x = 31,536.84

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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.