Home / 30,683.64-45,969.84-14,057.58

Finding the Fourth Proportional to 30,683.64, 45,969.84 and 14,057.58

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Solution

The fourth proportional to 30,683.64, 45,969.84 and 14,057.58 is: 21,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.64 : 45,969.84 = 14,057.58 : x
  2. Step 2: Convert to fraction form
    30,683.64/45,969.84 = 14,057.58/x
  3. Step 3: Cross multiply
    30,683.64x = 45,969.84 × 14,057.58
  4. Step 4: Simplify right side
    30,683.64x = 646,224,703.39
  5. Step 5: Solve for x
    x = 646,224,703.39/30,683.64
  6. Step 6: Final answer
    x = 21,060.89

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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.