Home / 51,705.81-71,352.12-31,596.35

Finding the Fourth Proportional to 51,705.81, 71,352.12 and 31,596.35

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Solution

The fourth proportional to 51,705.81, 71,352.12 and 31,596.35 is: 43,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.81 : 71,352.12 = 31,596.35 : x
  2. Step 2: Convert to fraction form
    51,705.81/71,352.12 = 31,596.35/x
  3. Step 3: Cross multiply
    51,705.81x = 71,352.12 × 31,596.35
  4. Step 4: Simplify right side
    51,705.81x = 2,254,466,051.89
  5. Step 5: Solve for x
    x = 2,254,466,051.89/51,705.81
  6. Step 6: Final answer
    x = 43,601.79

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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.