Home / 57,019.67-85,533.02-21,959.36

Finding the Fourth Proportional to 57,019.67, 85,533.02 and 21,959.36

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Solution

The fourth proportional to 57,019.67, 85,533.02 and 21,959.36 is: 32,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.67 : 85,533.02 = 21,959.36 : x
  2. Step 2: Convert to fraction form
    57,019.67/85,533.02 = 21,959.36/x
  3. Step 3: Cross multiply
    57,019.67x = 85,533.02 × 21,959.36
  4. Step 4: Simplify right side
    57,019.67x = 1,878,249,840.61
  5. Step 5: Solve for x
    x = 1,878,249,840.61/57,019.67
  6. Step 6: Final answer
    x = 32,940.39

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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.