Home / 51,701.40-77,552.28-20,536.56

Finding the Fourth Proportional to 51,701.40, 77,552.28 and 20,536.56

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Solution

The fourth proportional to 51,701.40, 77,552.28 and 20,536.56 is: 30,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,701.40 : 77,552.28 = 20,536.56 : x
  2. Step 2: Convert to fraction form
    51,701.40/77,552.28 = 20,536.56/x
  3. Step 3: Cross multiply
    51,701.40x = 77,552.28 × 20,536.56
  4. Step 4: Simplify right side
    51,701.40x = 1,592,657,051.36
  5. Step 5: Solve for x
    x = 1,592,657,051.36/51,701.40
  6. Step 6: Final answer
    x = 30,804.91

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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.