Home / 39,928.90-55,066.89-31,968.22

Finding the Fourth Proportional to 39,928.90, 55,066.89 and 31,968.22

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Solution

The fourth proportional to 39,928.90, 55,066.89 and 31,968.22 is: 44,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.90 : 55,066.89 = 31,968.22 : x
  2. Step 2: Convert to fraction form
    39,928.90/55,066.89 = 31,968.22/x
  3. Step 3: Cross multiply
    39,928.90x = 55,066.89 × 31,968.22
  4. Step 4: Simplify right side
    39,928.90x = 1,760,390,454.24
  5. Step 5: Solve for x
    x = 1,760,390,454.24/39,928.90
  6. Step 6: Final answer
    x = 44,088.13

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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.