Home / 57,804.18-79,674.34-38,677.12

Finding the Fourth Proportional to 57,804.18, 79,674.34 and 38,677.12

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Solution

The fourth proportional to 57,804.18, 79,674.34 and 38,677.12 is: 53,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.18 : 79,674.34 = 38,677.12 : x
  2. Step 2: Convert to fraction form
    57,804.18/79,674.34 = 38,677.12/x
  3. Step 3: Cross multiply
    57,804.18x = 79,674.34 × 38,677.12
  4. Step 4: Simplify right side
    57,804.18x = 3,081,574,009.10
  5. Step 5: Solve for x
    x = 3,081,574,009.10/57,804.18
  6. Step 6: Final answer
    x = 53,310.57

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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.