Home / 42,858.49-64,291.96-14,774.84

Finding the Fourth Proportional to 42,858.49, 64,291.96 and 14,774.84

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Solution

The fourth proportional to 42,858.49, 64,291.96 and 14,774.84 is: 22,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.49 : 64,291.96 = 14,774.84 : x
  2. Step 2: Convert to fraction form
    42,858.49/64,291.96 = 14,774.84/x
  3. Step 3: Cross multiply
    42,858.49x = 64,291.96 × 14,774.84
  4. Step 4: Simplify right side
    42,858.49x = 949,903,348.41
  5. Step 5: Solve for x
    x = 949,903,348.41/42,858.49
  6. Step 6: Final answer
    x = 22,163.72

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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.