Home / 39,073.15-58,617.03-12,779.32

Finding the Fourth Proportional to 39,073.15, 58,617.03 and 12,779.32

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Solution

The fourth proportional to 39,073.15, 58,617.03 and 12,779.32 is: 19,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073.15 : 58,617.03 = 12,779.32 : x
  2. Step 2: Convert to fraction form
    39,073.15/58,617.03 = 12,779.32/x
  3. Step 3: Cross multiply
    39,073.15x = 58,617.03 × 12,779.32
  4. Step 4: Simplify right side
    39,073.15x = 749,085,783.82
  5. Step 5: Solve for x
    x = 749,085,783.82/39,073.15
  6. Step 6: Final answer
    x = 19,171.37

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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.