Home / 39,735.12-54,851.28-26,817.20

Finding the Fourth Proportional to 39,735.12, 54,851.28 and 26,817.20

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Solution

The fourth proportional to 39,735.12, 54,851.28 and 26,817.20 is: 37,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.12 : 54,851.28 = 26,817.20 : x
  2. Step 2: Convert to fraction form
    39,735.12/54,851.28 = 26,817.20/x
  3. Step 3: Cross multiply
    39,735.12x = 54,851.28 × 26,817.20
  4. Step 4: Simplify right side
    39,735.12x = 1,470,957,746.02
  5. Step 5: Solve for x
    x = 1,470,957,746.02/39,735.12
  6. Step 6: Final answer
    x = 37,019.08

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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.