Home / 51,239.40-70,683.48-41,689.96

Finding the Fourth Proportional to 51,239.40, 70,683.48 and 41,689.96

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Solution

The fourth proportional to 51,239.40, 70,683.48 and 41,689.96 is: 57,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.40 : 70,683.48 = 41,689.96 : x
  2. Step 2: Convert to fraction form
    51,239.40/70,683.48 = 41,689.96/x
  3. Step 3: Cross multiply
    51,239.40x = 70,683.48 × 41,689.96
  4. Step 4: Simplify right side
    51,239.40x = 2,946,791,277.15
  5. Step 5: Solve for x
    x = 2,946,791,277.15/51,239.40
  6. Step 6: Final answer
    x = 57,510.27

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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.