Home / 39,482.16-54,488.00-22,258.77

Finding the Fourth Proportional to 39,482.16, 54,488.00 and 22,258.77

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Solution

The fourth proportional to 39,482.16, 54,488.00 and 22,258.77 is: 30,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.16 : 54,488.00 = 22,258.77 : x
  2. Step 2: Convert to fraction form
    39,482.16/54,488.00 = 22,258.77/x
  3. Step 3: Cross multiply
    39,482.16x = 54,488.00 × 22,258.77
  4. Step 4: Simplify right side
    39,482.16x = 1,212,835,915.41
  5. Step 5: Solve for x
    x = 1,212,835,915.41/39,482.16
  6. Step 6: Final answer
    x = 30,718.58

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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.