Home / 47,031.96-70,557.03-13,752.18

Finding the Fourth Proportional to 47,031.96, 70,557.03 and 13,752.18

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Solution

The fourth proportional to 47,031.96, 70,557.03 and 13,752.18 is: 20,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.96 : 70,557.03 = 13,752.18 : x
  2. Step 2: Convert to fraction form
    47,031.96/70,557.03 = 13,752.18/x
  3. Step 3: Cross multiply
    47,031.96x = 70,557.03 × 13,752.18
  4. Step 4: Simplify right side
    47,031.96x = 970,312,976.83
  5. Step 5: Solve for x
    x = 970,312,976.83/47,031.96
  6. Step 6: Final answer
    x = 20,630.93

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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.