Home / 51,977.63-71,728.78-29,316.81

Finding the Fourth Proportional to 51,977.63, 71,728.78 and 29,316.81

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Solution

The fourth proportional to 51,977.63, 71,728.78 and 29,316.81 is: 40,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.63 : 71,728.78 = 29,316.81 : x
  2. Step 2: Convert to fraction form
    51,977.63/71,728.78 = 29,316.81/x
  3. Step 3: Cross multiply
    51,977.63x = 71,728.78 × 29,316.81
  4. Step 4: Simplify right side
    51,977.63x = 2,102,859,146.17
  5. Step 5: Solve for x
    x = 2,102,859,146.17/51,977.63
  6. Step 6: Final answer
    x = 40,457.00

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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.