Home / 39,989.04-54,784.73-38,493.76

Finding the Fourth Proportional to 39,989.04, 54,784.73 and 38,493.76

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Solution

The fourth proportional to 39,989.04, 54,784.73 and 38,493.76 is: 52,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.04 : 54,784.73 = 38,493.76 : x
  2. Step 2: Convert to fraction form
    39,989.04/54,784.73 = 38,493.76/x
  3. Step 3: Cross multiply
    39,989.04x = 54,784.73 × 38,493.76
  4. Step 4: Simplify right side
    39,989.04x = 2,108,870,248.28
  5. Step 5: Solve for x
    x = 2,108,870,248.28/39,989.04
  6. Step 6: Final answer
    x = 52,736.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.