Home / 45,955-68,931.96-23,811.76

Finding the Fourth Proportional to 45,955, 68,931.96 and 23,811.76

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Solution

The fourth proportional to 45,955, 68,931.96 and 23,811.76 is: 35,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955 : 68,931.96 = 23,811.76 : x
  2. Step 2: Convert to fraction form
    45,955/68,931.96 = 23,811.76/x
  3. Step 3: Cross multiply
    45,955x = 68,931.96 × 23,811.76
  4. Step 4: Simplify right side
    45,955x = 1,641,391,287.85
  5. Step 5: Solve for x
    x = 1,641,391,287.85/45,955
  6. Step 6: Final answer
    x = 35,717.36

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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.