Home / 35,389.44-48,834.72-20,281.92

Finding the Fourth Proportional to 35,389.44, 48,834.72 and 20,281.92

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Solution

The fourth proportional to 35,389.44, 48,834.72 and 20,281.92 is: 27,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.44 : 48,834.72 = 20,281.92 : x
  2. Step 2: Convert to fraction form
    35,389.44/48,834.72 = 20,281.92/x
  3. Step 3: Cross multiply
    35,389.44x = 48,834.72 × 20,281.92
  4. Step 4: Simplify right side
    35,389.44x = 990,461,884.26
  5. Step 5: Solve for x
    x = 990,461,884.26/35,389.44
  6. Step 6: Final answer
    x = 27,987.50

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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.