Home / 39,439.86-54,484.58-34,125.45

Finding the Fourth Proportional to 39,439.86, 54,484.58 and 34,125.45

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Solution

The fourth proportional to 39,439.86, 54,484.58 and 34,125.45 is: 47,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.86 : 54,484.58 = 34,125.45 : x
  2. Step 2: Convert to fraction form
    39,439.86/54,484.58 = 34,125.45/x
  3. Step 3: Cross multiply
    39,439.86x = 54,484.58 × 34,125.45
  4. Step 4: Simplify right side
    39,439.86x = 1,859,310,895.87
  5. Step 5: Solve for x
    x = 1,859,310,895.87/39,439.86
  6. Step 6: Final answer
    x = 47,142.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.