Home / 53,316.84-79,972.83-17,775.66

Finding the Fourth Proportional to 53,316.84, 79,972.83 and 17,775.66

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Solution

The fourth proportional to 53,316.84, 79,972.83 and 17,775.66 is: 26,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,316.84 : 79,972.83 = 17,775.66 : x
  2. Step 2: Convert to fraction form
    53,316.84/79,972.83 = 17,775.66/x
  3. Step 3: Cross multiply
    53,316.84x = 79,972.83 × 17,775.66
  4. Step 4: Simplify right side
    53,316.84x = 1,421,569,835.32
  5. Step 5: Solve for x
    x = 1,421,569,835.32/53,316.84
  6. Step 6: Final answer
    x = 26,662.68

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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.