Home / 57,267.79-79,029.98-31,426.16

Finding the Fourth Proportional to 57,267.79, 79,029.98 and 31,426.16

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Solution

The fourth proportional to 57,267.79, 79,029.98 and 31,426.16 is: 43,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267.79 : 79,029.98 = 31,426.16 : x
  2. Step 2: Convert to fraction form
    57,267.79/79,029.98 = 31,426.16/x
  3. Step 3: Cross multiply
    57,267.79x = 79,029.98 × 31,426.16
  4. Step 4: Simplify right side
    57,267.79x = 2,483,608,796.28
  5. Step 5: Solve for x
    x = 2,483,608,796.28/57,267.79
  6. Step 6: Final answer
    x = 43,368.34

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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.