Home / 61,036.84-91,519.98-18,905.68

Finding the Fourth Proportional to 61,036.84, 91,519.98 and 18,905.68

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Solution

The fourth proportional to 61,036.84, 91,519.98 and 18,905.68 is: 28,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.84 : 91,519.98 = 18,905.68 : x
  2. Step 2: Convert to fraction form
    61,036.84/91,519.98 = 18,905.68/x
  3. Step 3: Cross multiply
    61,036.84x = 91,519.98 × 18,905.68
  4. Step 4: Simplify right side
    61,036.84x = 1,730,247,455.49
  5. Step 5: Solve for x
    x = 1,730,247,455.49/61,036.84
  6. Step 6: Final answer
    x = 28,347.59

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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.