Home / 42,128.68-58,137.18-23,265.40

Finding the Fourth Proportional to 42,128.68, 58,137.18 and 23,265.40

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Solution

The fourth proportional to 42,128.68, 58,137.18 and 23,265.40 is: 32,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128.68 : 58,137.18 = 23,265.40 : x
  2. Step 2: Convert to fraction form
    42,128.68/58,137.18 = 23,265.40/x
  3. Step 3: Cross multiply
    42,128.68x = 58,137.18 × 23,265.40
  4. Step 4: Simplify right side
    42,128.68x = 1,352,584,747.57
  5. Step 5: Solve for x
    x = 1,352,584,747.57/42,128.68
  6. Step 6: Final answer
    x = 32,106.03

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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.