Home / 39,140.67-58,710.79-9,558.66

Finding the Fourth Proportional to 39,140.67, 58,710.79 and 9,558.66

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Solution

The fourth proportional to 39,140.67, 58,710.79 and 9,558.66 is: 14,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.67 : 58,710.79 = 9,558.66 : x
  2. Step 2: Convert to fraction form
    39,140.67/58,710.79 = 9,558.66/x
  3. Step 3: Cross multiply
    39,140.67x = 58,710.79 × 9,558.66
  4. Step 4: Simplify right side
    39,140.67x = 561,196,479.94
  5. Step 5: Solve for x
    x = 561,196,479.94/39,140.67
  6. Step 6: Final answer
    x = 14,337.94

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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.