Home / 51,111.41-70,533.74-28,449.91

Finding the Fourth Proportional to 51,111.41, 70,533.74 and 28,449.91

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Solution

The fourth proportional to 51,111.41, 70,533.74 and 28,449.91 is: 39,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.41 : 70,533.74 = 28,449.91 : x
  2. Step 2: Convert to fraction form
    51,111.41/70,533.74 = 28,449.91/x
  3. Step 3: Cross multiply
    51,111.41x = 70,533.74 × 28,449.91
  4. Step 4: Simplify right side
    51,111.41x = 2,006,678,412.71
  5. Step 5: Solve for x
    x = 2,006,678,412.71/51,111.41
  6. Step 6: Final answer
    x = 39,260.87

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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.