Home / 58,336.08-87,447.78-18,866.40

Finding the Fourth Proportional to 58,336.08, 87,447.78 and 18,866.40

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Solution

The fourth proportional to 58,336.08, 87,447.78 and 18,866.40 is: 28,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,336.08 : 87,447.78 = 18,866.40 : x
  2. Step 2: Convert to fraction form
    58,336.08/87,447.78 = 18,866.40/x
  3. Step 3: Cross multiply
    58,336.08x = 87,447.78 × 18,866.40
  4. Step 4: Simplify right side
    58,336.08x = 1,649,824,796.59
  5. Step 5: Solve for x
    x = 1,649,824,796.59/58,336.08
  6. Step 6: Final answer
    x = 28,281.38

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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.