Home / 46,872.89-70,238.86-18,765.08

Finding the Fourth Proportional to 46,872.89, 70,238.86 and 18,765.08

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Solution

The fourth proportional to 46,872.89, 70,238.86 and 18,765.08 is: 28,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,872.89 : 70,238.86 = 18,765.08 : x
  2. Step 2: Convert to fraction form
    46,872.89/70,238.86 = 18,765.08/x
  3. Step 3: Cross multiply
    46,872.89x = 70,238.86 × 18,765.08
  4. Step 4: Simplify right side
    46,872.89x = 1,318,037,428.90
  5. Step 5: Solve for x
    x = 1,318,037,428.90/46,872.89
  6. Step 6: Final answer
    x = 28,119.40

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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.