Home / 30,869.94-42,598.44-17,441.76

Finding the Fourth Proportional to 30,869.94, 42,598.44 and 17,441.76

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Solution

The fourth proportional to 30,869.94, 42,598.44 and 17,441.76 is: 24,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.94 : 42,598.44 = 17,441.76 : x
  2. Step 2: Convert to fraction form
    30,869.94/42,598.44 = 17,441.76/x
  3. Step 3: Cross multiply
    30,869.94x = 42,598.44 × 17,441.76
  4. Step 4: Simplify right side
    30,869.94x = 742,991,766.85
  5. Step 5: Solve for x
    x = 742,991,766.85/30,869.94
  6. Step 6: Final answer
    x = 24,068.46

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1.5x scale

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.