Home / 42,299.79-63,447.35-14,216.95

Finding the Fourth Proportional to 42,299.79, 63,447.35 and 14,216.95

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Solution

The fourth proportional to 42,299.79, 63,447.35 and 14,216.95 is: 21,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.79 : 63,447.35 = 14,216.95 : x
  2. Step 2: Convert to fraction form
    42,299.79/63,447.35 = 14,216.95/x
  3. Step 3: Cross multiply
    42,299.79x = 63,447.35 × 14,216.95
  4. Step 4: Simplify right side
    42,299.79x = 902,027,626.19
  5. Step 5: Solve for x
    x = 902,027,626.19/42,299.79
  6. Step 6: Final answer
    x = 21,324.64

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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.