Home / 34,129.44-47,094.72-20,703.84

Finding the Fourth Proportional to 34,129.44, 47,094.72 and 20,703.84

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Solution

The fourth proportional to 34,129.44, 47,094.72 and 20,703.84 is: 28,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.44 : 47,094.72 = 20,703.84 : x
  2. Step 2: Convert to fraction form
    34,129.44/47,094.72 = 20,703.84/x
  3. Step 3: Cross multiply
    34,129.44x = 47,094.72 × 20,703.84
  4. Step 4: Simplify right side
    34,129.44x = 975,041,547.72
  5. Step 5: Solve for x
    x = 975,041,547.72/34,129.44
  6. Step 6: Final answer
    x = 28,568.93

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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.