Home / 51,685.48-77,554.14-20,529.64

Finding the Fourth Proportional to 51,685.48, 77,554.14 and 20,529.64

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Solution

The fourth proportional to 51,685.48, 77,554.14 and 20,529.64 is: 30,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.48 : 77,554.14 = 20,529.64 : x
  2. Step 2: Convert to fraction form
    51,685.48/77,554.14 = 20,529.64/x
  3. Step 3: Cross multiply
    51,685.48x = 77,554.14 × 20,529.64
  4. Step 4: Simplify right side
    51,685.48x = 1,592,158,574.71
  5. Step 5: Solve for x
    x = 1,592,158,574.71/51,685.48
  6. Step 6: Final answer
    x = 30,804.76

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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.