Home / 31,679.28-47,525.40-10,900.08

Finding the Fourth Proportional to 31,679.28, 47,525.40 and 10,900.08

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Solution

The fourth proportional to 31,679.28, 47,525.40 and 10,900.08 is: 16,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.28 : 47,525.40 = 10,900.08 : x
  2. Step 2: Convert to fraction form
    31,679.28/47,525.40 = 10,900.08/x
  3. Step 3: Cross multiply
    31,679.28x = 47,525.40 × 10,900.08
  4. Step 4: Simplify right side
    31,679.28x = 518,030,662.03
  5. Step 5: Solve for x
    x = 518,030,662.03/31,679.28
  6. Step 6: Final answer
    x = 16,352.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.