Home / 57,402.04-79,214.76-31,907.60

Finding the Fourth Proportional to 57,402.04, 79,214.76 and 31,907.60

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Solution

The fourth proportional to 57,402.04, 79,214.76 and 31,907.60 is: 44,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.04 : 79,214.76 = 31,907.60 : x
  2. Step 2: Convert to fraction form
    57,402.04/79,214.76 = 31,907.60/x
  3. Step 3: Cross multiply
    57,402.04x = 79,214.76 × 31,907.60
  4. Step 4: Simplify right side
    57,402.04x = 2,527,552,876.18
  5. Step 5: Solve for x
    x = 2,527,552,876.18/57,402.04
  6. Step 6: Final answer
    x = 44,032.46

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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.