Home / 42,431.16-63,643.50-14,353.56

Finding the Fourth Proportional to 42,431.16, 63,643.50 and 14,353.56

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Solution

The fourth proportional to 42,431.16, 63,643.50 and 14,353.56 is: 21,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.16 : 63,643.50 = 14,353.56 : x
  2. Step 2: Convert to fraction form
    42,431.16/63,643.50 = 14,353.56/x
  3. Step 3: Cross multiply
    42,431.16x = 63,643.50 × 14,353.56
  4. Step 4: Simplify right side
    42,431.16x = 913,510,795.86
  5. Step 5: Solve for x
    x = 913,510,795.86/42,431.16
  6. Step 6: Final answer
    x = 21,529.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.