Home / 45,438.93-68,153.53-15,857.32

Finding the Fourth Proportional to 45,438.93, 68,153.53 and 15,857.32

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Solution

The fourth proportional to 45,438.93, 68,153.53 and 15,857.32 is: 23,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.93 : 68,153.53 = 15,857.32 : x
  2. Step 2: Convert to fraction form
    45,438.93/68,153.53 = 15,857.32/x
  3. Step 3: Cross multiply
    45,438.93x = 68,153.53 × 15,857.32
  4. Step 4: Simplify right side
    45,438.93x = 1,080,732,334.34
  5. Step 5: Solve for x
    x = 1,080,732,334.34/45,438.93
  6. Step 6: Final answer
    x = 23,784.28

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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.