Home / 53,181.40-79,673.70-31,005.40

Finding the Fourth Proportional to 53,181.40, 79,673.70 and 31,005.40

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Solution

The fourth proportional to 53,181.40, 79,673.70 and 31,005.40 is: 46,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.40 : 79,673.70 = 31,005.40 : x
  2. Step 2: Convert to fraction form
    53,181.40/79,673.70 = 31,005.40/x
  3. Step 3: Cross multiply
    53,181.40x = 79,673.70 × 31,005.40
  4. Step 4: Simplify right side
    53,181.40x = 2,470,314,937.98
  5. Step 5: Solve for x
    x = 2,470,314,937.98/53,181.40
  6. Step 6: Final answer
    x = 46,450.73

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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.