Home / 39,878.04-55,032.93-22,885.39

Finding the Fourth Proportional to 39,878.04, 55,032.93 and 22,885.39

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Solution

The fourth proportional to 39,878.04, 55,032.93 and 22,885.39 is: 31,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.04 : 55,032.93 = 22,885.39 : x
  2. Step 2: Convert to fraction form
    39,878.04/55,032.93 = 22,885.39/x
  3. Step 3: Cross multiply
    39,878.04x = 55,032.93 × 22,885.39
  4. Step 4: Simplify right side
    39,878.04x = 1,259,450,065.89
  5. Step 5: Solve for x
    x = 1,259,450,065.89/39,878.04
  6. Step 6: Final answer
    x = 31,582.55

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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.