Home / 58,540.50-87,740.64-30,048.21

Finding the Fourth Proportional to 58,540.50, 87,740.64 and 30,048.21

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Solution

The fourth proportional to 58,540.50, 87,740.64 and 30,048.21 is: 45,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,540.50 : 87,740.64 = 30,048.21 : x
  2. Step 2: Convert to fraction form
    58,540.50/87,740.64 = 30,048.21/x
  3. Step 3: Cross multiply
    58,540.50x = 87,740.64 × 30,048.21
  4. Step 4: Simplify right side
    58,540.50x = 2,636,449,176.25
  5. Step 5: Solve for x
    x = 2,636,449,176.25/58,540.50
  6. Step 6: Final answer
    x = 45,036.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.