Home / 51,698.51-77,447.34-30,299.33

Finding the Fourth Proportional to 51,698.51, 77,447.34 and 30,299.33

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Solution

The fourth proportional to 51,698.51, 77,447.34 and 30,299.33 is: 45,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,698.51 : 77,447.34 = 30,299.33 : x
  2. Step 2: Convert to fraction form
    51,698.51/77,447.34 = 30,299.33/x
  3. Step 3: Cross multiply
    51,698.51x = 77,447.34 × 30,299.33
  4. Step 4: Simplify right side
    51,698.51x = 2,346,602,125.05
  5. Step 5: Solve for x
    x = 2,346,602,125.05/51,698.51
  6. Step 6: Final answer
    x = 45,390.14

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1.5x scale

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.