Home / 52,023.12-77,988.12-18,735.36

Finding the Fourth Proportional to 52,023.12, 77,988.12 and 18,735.36

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Solution

The fourth proportional to 52,023.12, 77,988.12 and 18,735.36 is: 28,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,023.12 : 77,988.12 = 18,735.36 : x
  2. Step 2: Convert to fraction form
    52,023.12/77,988.12 = 18,735.36/x
  3. Step 3: Cross multiply
    52,023.12x = 77,988.12 × 18,735.36
  4. Step 4: Simplify right side
    52,023.12x = 1,461,135,503.92
  5. Step 5: Solve for x
    x = 1,461,135,503.92/52,023.12
  6. Step 6: Final answer
    x = 28,086.27

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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.