Home / 31,675.08-47,549.40-18,536.88

Finding the Fourth Proportional to 31,675.08, 47,549.40 and 18,536.88

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Solution

The fourth proportional to 31,675.08, 47,549.40 and 18,536.88 is: 27,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.08 : 47,549.40 = 18,536.88 : x
  2. Step 2: Convert to fraction form
    31,675.08/47,549.40 = 18,536.88/x
  3. Step 3: Cross multiply
    31,675.08x = 47,549.40 × 18,536.88
  4. Step 4: Simplify right side
    31,675.08x = 881,417,521.87
  5. Step 5: Solve for x
    x = 881,417,521.87/31,675.08
  6. Step 6: Final answer
    x = 27,826.84

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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.