Home / 51,278.40-70,770.63-29,763.51

Finding the Fourth Proportional to 51,278.40, 70,770.63 and 29,763.51

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Solution

The fourth proportional to 51,278.40, 70,770.63 and 29,763.51 is: 41,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.40 : 70,770.63 = 29,763.51 : x
  2. Step 2: Convert to fraction form
    51,278.40/70,770.63 = 29,763.51/x
  3. Step 3: Cross multiply
    51,278.40x = 70,770.63 × 29,763.51
  4. Step 4: Simplify right side
    51,278.40x = 2,106,382,204.89
  5. Step 5: Solve for x
    x = 2,106,382,204.89/51,278.40
  6. Step 6: Final answer
    x = 41,077.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.