Home / 57,551.18-79,432.88-38,677.37

Finding the Fourth Proportional to 57,551.18, 79,432.88 and 38,677.37

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Solution

The fourth proportional to 57,551.18, 79,432.88 and 38,677.37 is: 53,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551.18 : 79,432.88 = 38,677.37 : x
  2. Step 2: Convert to fraction form
    57,551.18/79,432.88 = 38,677.37/x
  3. Step 3: Cross multiply
    57,551.18x = 79,432.88 × 38,677.37
  4. Step 4: Simplify right side
    57,551.18x = 3,072,254,299.37
  5. Step 5: Solve for x
    x = 3,072,254,299.37/57,551.18
  6. Step 6: Final answer
    x = 53,383.00

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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.