Home / 51,918.51-77,877.77-14,477.07

Finding the Fourth Proportional to 51,918.51, 77,877.77 and 14,477.07

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Solution

The fourth proportional to 51,918.51, 77,877.77 and 14,477.07 is: 21,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.51 : 77,877.77 = 14,477.07 : x
  2. Step 2: Convert to fraction form
    51,918.51/77,877.77 = 14,477.07/x
  3. Step 3: Cross multiply
    51,918.51x = 77,877.77 × 14,477.07
  4. Step 4: Simplify right side
    51,918.51x = 1,127,441,927.73
  5. Step 5: Solve for x
    x = 1,127,441,927.73/51,918.51
  6. Step 6: Final answer
    x = 21,715.61

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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.