Home / 35,455.50-48,926.70-20,345.04

Finding the Fourth Proportional to 35,455.50, 48,926.70 and 20,345.04

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Solution

The fourth proportional to 35,455.50, 48,926.70 and 20,345.04 is: 28,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.50 : 48,926.70 = 20,345.04 : x
  2. Step 2: Convert to fraction form
    35,455.50/48,926.70 = 20,345.04/x
  3. Step 3: Cross multiply
    35,455.50x = 48,926.70 × 20,345.04
  4. Step 4: Simplify right side
    35,455.50x = 995,415,668.57
  5. Step 5: Solve for x
    x = 995,415,668.57/35,455.50
  6. Step 6: Final answer
    x = 28,075.07

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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.