Home / 39,218.42-58,829.01-12,560.94

Finding the Fourth Proportional to 39,218.42, 58,829.01 and 12,560.94

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Solution

The fourth proportional to 39,218.42, 58,829.01 and 12,560.94 is: 18,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.42 : 58,829.01 = 12,560.94 : x
  2. Step 2: Convert to fraction form
    39,218.42/58,829.01 = 12,560.94/x
  3. Step 3: Cross multiply
    39,218.42x = 58,829.01 × 12,560.94
  4. Step 4: Simplify right side
    39,218.42x = 738,947,688.42
  5. Step 5: Solve for x
    x = 738,947,688.42/39,218.42
  6. Step 6: Final answer
    x = 18,841.85

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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.