Home / 51,795.16-77,681.22-20,206.06

Finding the Fourth Proportional to 51,795.16, 77,681.22 and 20,206.06

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Solution

The fourth proportional to 51,795.16, 77,681.22 and 20,206.06 is: 30,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,795.16 : 77,681.22 = 20,206.06 : x
  2. Step 2: Convert to fraction form
    51,795.16/77,681.22 = 20,206.06/x
  3. Step 3: Cross multiply
    51,795.16x = 77,681.22 × 20,206.06
  4. Step 4: Simplify right side
    51,795.16x = 1,569,631,392.19
  5. Step 5: Solve for x
    x = 1,569,631,392.19/51,795.16
  6. Step 6: Final answer
    x = 30,304.60

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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.