Home / 31,567.05-47,368.80-11,847.60

Finding the Fourth Proportional to 31,567.05, 47,368.80 and 11,847.60

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Solution

The fourth proportional to 31,567.05, 47,368.80 and 11,847.60 is: 17,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.05 : 47,368.80 = 11,847.60 : x
  2. Step 2: Convert to fraction form
    31,567.05/47,368.80 = 11,847.60/x
  3. Step 3: Cross multiply
    31,567.05x = 47,368.80 × 11,847.60
  4. Step 4: Simplify right side
    31,567.05x = 561,206,594.88
  5. Step 5: Solve for x
    x = 561,206,594.88/31,567.05
  6. Step 6: Final answer
    x = 17,778.24

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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.