Home / 58,130.07-87,192-18,684.15

Finding the Fourth Proportional to 58,130.07, 87,192 and 18,684.15

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Solution

The fourth proportional to 58,130.07, 87,192 and 18,684.15 is: 28,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,130.07 : 87,192 = 18,684.15 : x
  2. Step 2: Convert to fraction form
    58,130.07/87,192 = 18,684.15/x
  3. Step 3: Cross multiply
    58,130.07x = 87,192 × 18,684.15
  4. Step 4: Simplify right side
    58,130.07x = 1,629,108,406.80
  5. Step 5: Solve for x
    x = 1,629,108,406.80/58,130.07
  6. Step 6: Final answer
    x = 28,025.23

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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.