Home / 51,139.04-70,576.64-29,916.96

Finding the Fourth Proportional to 51,139.04, 70,576.64 and 29,916.96

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Solution

The fourth proportional to 51,139.04, 70,576.64 and 29,916.96 is: 41,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.04 : 70,576.64 = 29,916.96 : x
  2. Step 2: Convert to fraction form
    51,139.04/70,576.64 = 29,916.96/x
  3. Step 3: Cross multiply
    51,139.04x = 70,576.64 × 29,916.96
  4. Step 4: Simplify right side
    51,139.04x = 2,111,438,515.81
  5. Step 5: Solve for x
    x = 2,111,438,515.81/51,139.04
  6. Step 6: Final answer
    x = 41,288.19

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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.