Home / 32,870.07-49,285.35-12,855.72

Finding the Fourth Proportional to 32,870.07, 49,285.35 and 12,855.72

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Solution

The fourth proportional to 32,870.07, 49,285.35 and 12,855.72 is: 19,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.07 : 49,285.35 = 12,855.72 : x
  2. Step 2: Convert to fraction form
    32,870.07/49,285.35 = 12,855.72/x
  3. Step 3: Cross multiply
    32,870.07x = 49,285.35 × 12,855.72
  4. Step 4: Simplify right side
    32,870.07x = 633,598,659.70
  5. Step 5: Solve for x
    x = 633,598,659.70/32,870.07
  6. Step 6: Final answer
    x = 19,275.85

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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.