Home / 47,698.08-71,548.50-12,637.74

Finding the Fourth Proportional to 47,698.08, 71,548.50 and 12,637.74

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Solution

The fourth proportional to 47,698.08, 71,548.50 and 12,637.74 is: 18,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.08 : 71,548.50 = 12,637.74 : x
  2. Step 2: Convert to fraction form
    47,698.08/71,548.50 = 12,637.74/x
  3. Step 3: Cross multiply
    47,698.08x = 71,548.50 × 12,637.74
  4. Step 4: Simplify right side
    47,698.08x = 904,211,340.39
  5. Step 5: Solve for x
    x = 904,211,340.39/47,698.08
  6. Step 6: Final answer
    x = 18,956.98

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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.