Home / 51,025.54-70,368.12-31,899.22

Finding the Fourth Proportional to 51,025.54, 70,368.12 and 31,899.22

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Solution

The fourth proportional to 51,025.54, 70,368.12 and 31,899.22 is: 43,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.54 : 70,368.12 = 31,899.22 : x
  2. Step 2: Convert to fraction form
    51,025.54/70,368.12 = 31,899.22/x
  3. Step 3: Cross multiply
    51,025.54x = 70,368.12 × 31,899.22
  4. Step 4: Simplify right side
    51,025.54x = 2,244,688,140.87
  5. Step 5: Solve for x
    x = 2,244,688,140.87/51,025.54
  6. Step 6: Final answer
    x = 43,991.46

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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.