Home / 42,268.64-63,410.18-14,191.40

Finding the Fourth Proportional to 42,268.64, 63,410.18 and 14,191.40

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Solution

The fourth proportional to 42,268.64, 63,410.18 and 14,191.40 is: 21,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268.64 : 63,410.18 = 14,191.40 : x
  2. Step 2: Convert to fraction form
    42,268.64/63,410.18 = 14,191.40/x
  3. Step 3: Cross multiply
    42,268.64x = 63,410.18 × 14,191.40
  4. Step 4: Simplify right side
    42,268.64x = 899,879,316.02
  5. Step 5: Solve for x
    x = 899,879,316.02/42,268.64
  6. Step 6: Final answer
    x = 21,289.53

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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.