Home / 51,588.09-77,378.90-18,303.75

Finding the Fourth Proportional to 51,588.09, 77,378.90 and 18,303.75

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Solution

The fourth proportional to 51,588.09, 77,378.90 and 18,303.75 is: 27,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.09 : 77,378.90 = 18,303.75 : x
  2. Step 2: Convert to fraction form
    51,588.09/77,378.90 = 18,303.75/x
  3. Step 3: Cross multiply
    51,588.09x = 77,378.90 × 18,303.75
  4. Step 4: Simplify right side
    51,588.09x = 1,416,323,949.36
  5. Step 5: Solve for x
    x = 1,416,323,949.36/51,588.09
  6. Step 6: Final answer
    x = 27,454.48

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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.