Home / 58,219.36-87,329.03-18,776.46

Finding the Fourth Proportional to 58,219.36, 87,329.03 and 18,776.46

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Solution

The fourth proportional to 58,219.36, 87,329.03 and 18,776.46 is: 28,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.36 : 87,329.03 = 18,776.46 : x
  2. Step 2: Convert to fraction form
    58,219.36/87,329.03 = 18,776.46/x
  3. Step 3: Cross multiply
    58,219.36x = 87,329.03 × 18,776.46
  4. Step 4: Simplify right side
    58,219.36x = 1,639,730,272.24
  5. Step 5: Solve for x
    x = 1,639,730,272.24/58,219.36
  6. Step 6: Final answer
    x = 28,164.69

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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.