Home / 35,528.68-49,026.96-20,421.34

Finding the Fourth Proportional to 35,528.68, 49,026.96 and 20,421.34

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Solution

The fourth proportional to 35,528.68, 49,026.96 and 20,421.34 is: 28,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.68 : 49,026.96 = 20,421.34 : x
  2. Step 2: Convert to fraction form
    35,528.68/49,026.96 = 20,421.34/x
  3. Step 3: Cross multiply
    35,528.68x = 49,026.96 × 20,421.34
  4. Step 4: Simplify right side
    35,528.68x = 1,001,196,219.33
  5. Step 5: Solve for x
    x = 1,001,196,219.33/35,528.68
  6. Step 6: Final answer
    x = 28,179.94

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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.