Home / 39,847.16-59,779.38-12,147.32

Finding the Fourth Proportional to 39,847.16, 59,779.38 and 12,147.32

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Solution

The fourth proportional to 39,847.16, 59,779.38 and 12,147.32 is: 18,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.16 : 59,779.38 = 12,147.32 : x
  2. Step 2: Convert to fraction form
    39,847.16/59,779.38 = 12,147.32/x
  3. Step 3: Cross multiply
    39,847.16x = 59,779.38 × 12,147.32
  4. Step 4: Simplify right side
    39,847.16x = 726,159,258.26
  5. Step 5: Solve for x
    x = 726,159,258.26/39,847.16
  6. Step 6: Final answer
    x = 18,223.61

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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.