Home / 51,628.84-77,447.88-20,038.16

Finding the Fourth Proportional to 51,628.84, 77,447.88 and 20,038.16

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Solution

The fourth proportional to 51,628.84, 77,447.88 and 20,038.16 is: 30,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.84 : 77,447.88 = 20,038.16 : x
  2. Step 2: Convert to fraction form
    51,628.84/77,447.88 = 20,038.16/x
  3. Step 3: Cross multiply
    51,628.84x = 77,447.88 × 20,038.16
  4. Step 4: Simplify right side
    51,628.84x = 1,551,913,011.10
  5. Step 5: Solve for x
    x = 1,551,913,011.10/51,628.84
  6. Step 6: Final answer
    x = 30,059.03

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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.