Home / 51,023.08-70,411.39-28,361.49

Finding the Fourth Proportional to 51,023.08, 70,411.39 and 28,361.49

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Solution

The fourth proportional to 51,023.08, 70,411.39 and 28,361.49 is: 39,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.08 : 70,411.39 = 28,361.49 : x
  2. Step 2: Convert to fraction form
    51,023.08/70,411.39 = 28,361.49/x
  3. Step 3: Cross multiply
    51,023.08x = 70,411.39 × 28,361.49
  4. Step 4: Simplify right side
    51,023.08x = 1,996,971,933.37
  5. Step 5: Solve for x
    x = 1,996,971,933.37/51,023.08
  6. Step 6: Final answer
    x = 39,138.60

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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.