Home / 34,583.51-47,737.20-20,435.45

Finding the Fourth Proportional to 34,583.51, 47,737.20 and 20,435.45

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Solution

The fourth proportional to 34,583.51, 47,737.20 and 20,435.45 is: 28,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,583.51 : 47,737.20 = 20,435.45 : x
  2. Step 2: Convert to fraction form
    34,583.51/47,737.20 = 20,435.45/x
  3. Step 3: Cross multiply
    34,583.51x = 47,737.20 × 20,435.45
  4. Step 4: Simplify right side
    34,583.51x = 975,530,925.05
  5. Step 5: Solve for x
    x = 975,530,925.05/34,583.51
  6. Step 6: Final answer
    x = 28,207.98

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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.