Home / 52,438.79-78,588.12-19,127.54

Finding the Fourth Proportional to 52,438.79, 78,588.12 and 19,127.54

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Solution

The fourth proportional to 52,438.79, 78,588.12 and 19,127.54 is: 28,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.79 : 78,588.12 = 19,127.54 : x
  2. Step 2: Convert to fraction form
    52,438.79/78,588.12 = 19,127.54/x
  3. Step 3: Cross multiply
    52,438.79x = 78,588.12 × 19,127.54
  4. Step 4: Simplify right side
    52,438.79x = 1,503,197,677.02
  5. Step 5: Solve for x
    x = 1,503,197,677.02/52,438.79
  6. Step 6: Final answer
    x = 28,665.76

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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.