Home / 51,652.08-71,271.90-30,141.72

Finding the Fourth Proportional to 51,652.08, 71,271.90 and 30,141.72

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Solution

The fourth proportional to 51,652.08, 71,271.90 and 30,141.72 is: 41,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652.08 : 71,271.90 = 30,141.72 : x
  2. Step 2: Convert to fraction form
    51,652.08/71,271.90 = 30,141.72/x
  3. Step 3: Cross multiply
    51,652.08x = 71,271.90 × 30,141.72
  4. Step 4: Simplify right side
    51,652.08x = 2,148,257,653.67
  5. Step 5: Solve for x
    x = 2,148,257,653.67/51,652.08
  6. Step 6: Final answer
    x = 41,590.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.