Home / 47,860.15-71,790.23-18,280.98

Finding the Fourth Proportional to 47,860.15, 71,790.23 and 18,280.98

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Solution

The fourth proportional to 47,860.15, 71,790.23 and 18,280.98 is: 27,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.15 : 71,790.23 = 18,280.98 : x
  2. Step 2: Convert to fraction form
    47,860.15/71,790.23 = 18,280.98/x
  3. Step 3: Cross multiply
    47,860.15x = 71,790.23 × 18,280.98
  4. Step 4: Simplify right side
    47,860.15x = 1,312,395,758.83
  5. Step 5: Solve for x
    x = 1,312,395,758.83/47,860.15
  6. Step 6: Final answer
    x = 27,421.47

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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.