Home / 57,962.23-86,955.74-17,980.34

Finding the Fourth Proportional to 57,962.23, 86,955.74 and 17,980.34

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Solution

The fourth proportional to 57,962.23, 86,955.74 and 17,980.34 is: 26,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.23 : 86,955.74 = 17,980.34 : x
  2. Step 2: Convert to fraction form
    57,962.23/86,955.74 = 17,980.34/x
  3. Step 3: Cross multiply
    57,962.23x = 86,955.74 × 17,980.34
  4. Step 4: Simplify right side
    57,962.23x = 1,563,494,072.93
  5. Step 5: Solve for x
    x = 1,563,494,072.93/57,962.23
  6. Step 6: Final answer
    x = 26,974.36

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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.