Home / 31,925.00-47,885.65-12,205.55

Finding the Fourth Proportional to 31,925.00, 47,885.65 and 12,205.55

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Solution

The fourth proportional to 31,925.00, 47,885.65 and 12,205.55 is: 18,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925.00 : 47,885.65 = 12,205.55 : x
  2. Step 2: Convert to fraction form
    31,925.00/47,885.65 = 12,205.55/x
  3. Step 3: Cross multiply
    31,925.00x = 47,885.65 × 12,205.55
  4. Step 4: Simplify right side
    31,925.00x = 584,470,784.56
  5. Step 5: Solve for x
    x = 584,470,784.56/31,925.00
  6. Step 6: Final answer
    x = 18,307.62

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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.