Home / 51,012.35-70,376.81-29,498.12

Finding the Fourth Proportional to 51,012.35, 70,376.81 and 29,498.12

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Solution

The fourth proportional to 51,012.35, 70,376.81 and 29,498.12 is: 40,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.35 : 70,376.81 = 29,498.12 : x
  2. Step 2: Convert to fraction form
    51,012.35/70,376.81 = 29,498.12/x
  3. Step 3: Cross multiply
    51,012.35x = 70,376.81 × 29,498.12
  4. Step 4: Simplify right side
    51,012.35x = 2,075,983,087.22
  5. Step 5: Solve for x
    x = 2,075,983,087.22/51,012.35
  6. Step 6: Final answer
    x = 40,695.70

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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.