Home / 39,139.08-58,709.18-9,557.48

Finding the Fourth Proportional to 39,139.08, 58,709.18 and 9,557.48

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Solution

The fourth proportional to 39,139.08, 58,709.18 and 9,557.48 is: 14,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.08 : 58,709.18 = 9,557.48 : x
  2. Step 2: Convert to fraction form
    39,139.08/58,709.18 = 9,557.48/x
  3. Step 3: Cross multiply
    39,139.08x = 58,709.18 × 9,557.48
  4. Step 4: Simplify right side
    39,139.08x = 561,111,813.67
  5. Step 5: Solve for x
    x = 561,111,813.67/39,139.08
  6. Step 6: Final answer
    x = 14,336.36

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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.