Home / 56,929.78-85,405.83-21,866.74

Finding the Fourth Proportional to 56,929.78, 85,405.83 and 21,866.74

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Solution

The fourth proportional to 56,929.78, 85,405.83 and 21,866.74 is: 32,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.78 : 85,405.83 = 21,866.74 : x
  2. Step 2: Convert to fraction form
    56,929.78/85,405.83 = 21,866.74/x
  3. Step 3: Cross multiply
    56,929.78x = 85,405.83 × 21,866.74
  4. Step 4: Simplify right side
    56,929.78x = 1,867,547,079.09
  5. Step 5: Solve for x
    x = 1,867,547,079.09/56,929.78
  6. Step 6: Final answer
    x = 32,804.40

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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.