Home / 39,488.16-54,493.56-21,583.18

Finding the Fourth Proportional to 39,488.16, 54,493.56 and 21,583.18

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Solution

The fourth proportional to 39,488.16, 54,493.56 and 21,583.18 is: 29,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.16 : 54,493.56 = 21,583.18 : x
  2. Step 2: Convert to fraction form
    39,488.16/54,493.56 = 21,583.18/x
  3. Step 3: Cross multiply
    39,488.16x = 54,493.56 × 21,583.18
  4. Step 4: Simplify right side
    39,488.16x = 1,176,144,314.32
  5. Step 5: Solve for x
    x = 1,176,144,314.32/39,488.16
  6. Step 6: Final answer
    x = 29,784.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.