Home / 39,779.08-59,671.25-11,701.64

Finding the Fourth Proportional to 39,779.08, 59,671.25 and 11,701.64

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Solution

The fourth proportional to 39,779.08, 59,671.25 and 11,701.64 is: 17,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.08 : 59,671.25 = 11,701.64 : x
  2. Step 2: Convert to fraction form
    39,779.08/59,671.25 = 11,701.64/x
  3. Step 3: Cross multiply
    39,779.08x = 59,671.25 × 11,701.64
  4. Step 4: Simplify right side
    39,779.08x = 698,251,485.85
  5. Step 5: Solve for x
    x = 698,251,485.85/39,779.08
  6. Step 6: Final answer
    x = 17,553.23

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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.