Home / 34,582.16-47,725.80-19,678.16

Finding the Fourth Proportional to 34,582.16, 47,725.80 and 19,678.16

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Solution

The fourth proportional to 34,582.16, 47,725.80 and 19,678.16 is: 27,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,582.16 : 47,725.80 = 19,678.16 : x
  2. Step 2: Convert to fraction form
    34,582.16/47,725.80 = 19,678.16/x
  3. Step 3: Cross multiply
    34,582.16x = 47,725.80 × 19,678.16
  4. Step 4: Simplify right side
    34,582.16x = 939,155,928.53
  5. Step 5: Solve for x
    x = 939,155,928.53/34,582.16
  6. Step 6: Final answer
    x = 27,157.24

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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.