Home / 51,503.07-77,255.01-18,223.29

Finding the Fourth Proportional to 51,503.07, 77,255.01 and 18,223.29

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Solution

The fourth proportional to 51,503.07, 77,255.01 and 18,223.29 is: 27,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.07 : 77,255.01 = 18,223.29 : x
  2. Step 2: Convert to fraction form
    51,503.07/77,255.01 = 18,223.29/x
  3. Step 3: Cross multiply
    51,503.07x = 77,255.01 × 18,223.29
  4. Step 4: Simplify right side
    51,503.07x = 1,407,840,451.18
  5. Step 5: Solve for x
    x = 1,407,840,451.18/51,503.07
  6. Step 6: Final answer
    x = 27,335.08

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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.