Home / 42,128.45-58,137.26-23,265.58

Finding the Fourth Proportional to 42,128.45, 58,137.26 and 23,265.58

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Solution

The fourth proportional to 42,128.45, 58,137.26 and 23,265.58 is: 32,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128.45 : 58,137.26 = 23,265.58 : x
  2. Step 2: Convert to fraction form
    42,128.45/58,137.26 = 23,265.58/x
  3. Step 3: Cross multiply
    42,128.45x = 58,137.26 × 23,265.58
  4. Step 4: Simplify right side
    42,128.45x = 1,352,596,811.84
  5. Step 5: Solve for x
    x = 1,352,596,811.84/42,128.45
  6. Step 6: Final answer
    x = 32,106.49

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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.