Home / 51,303.97-70,776.34-30,074.28

Finding the Fourth Proportional to 51,303.97, 70,776.34 and 30,074.28

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Solution

The fourth proportional to 51,303.97, 70,776.34 and 30,074.28 is: 41,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.97 : 70,776.34 = 30,074.28 : x
  2. Step 2: Convert to fraction form
    51,303.97/70,776.34 = 30,074.28/x
  3. Step 3: Cross multiply
    51,303.97x = 70,776.34 × 30,074.28
  4. Step 4: Simplify right side
    51,303.97x = 2,128,547,466.54
  5. Step 5: Solve for x
    x = 2,128,547,466.54/51,303.97
  6. Step 6: Final answer
    x = 41,488.94

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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.