Home / 51,967.26-77,931.54-18,678.24

Finding the Fourth Proportional to 51,967.26, 77,931.54 and 18,678.24

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Solution

The fourth proportional to 51,967.26, 77,931.54 and 18,678.24 is: 28,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,967.26 : 77,931.54 = 18,678.24 : x
  2. Step 2: Convert to fraction form
    51,967.26/77,931.54 = 18,678.24/x
  3. Step 3: Cross multiply
    51,967.26x = 77,931.54 × 18,678.24
  4. Step 4: Simplify right side
    51,967.26x = 1,455,624,007.69
  5. Step 5: Solve for x
    x = 1,455,624,007.69/51,967.26
  6. Step 6: Final answer
    x = 28,010.41

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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.