Home / 47,021.61-70,536.96-13,740.93

Finding the Fourth Proportional to 47,021.61, 70,536.96 and 13,740.93

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Solution

The fourth proportional to 47,021.61, 70,536.96 and 13,740.93 is: 20,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.61 : 70,536.96 = 13,740.93 : x
  2. Step 2: Convert to fraction form
    47,021.61/70,536.96 = 13,740.93/x
  3. Step 3: Cross multiply
    47,021.61x = 70,536.96 × 13,740.93
  4. Step 4: Simplify right side
    47,021.61x = 969,243,429.77
  5. Step 5: Solve for x
    x = 969,243,429.77/47,021.61
  6. Step 6: Final answer
    x = 20,612.72

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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.