Home / 34,079.30-47,031.23-18,973.28

Finding the Fourth Proportional to 34,079.30, 47,031.23 and 18,973.28

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Solution

The fourth proportional to 34,079.30, 47,031.23 and 18,973.28 is: 26,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.30 : 47,031.23 = 18,973.28 : x
  2. Step 2: Convert to fraction form
    34,079.30/47,031.23 = 18,973.28/x
  3. Step 3: Cross multiply
    34,079.30x = 47,031.23 × 18,973.28
  4. Step 4: Simplify right side
    34,079.30x = 892,336,365.51
  5. Step 5: Solve for x
    x = 892,336,365.51/34,079.30
  6. Step 6: Final answer
    x = 26,184.12

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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.