Home / 58,331.20-87,453.60-39,564.40

Finding the Fourth Proportional to 58,331.20, 87,453.60 and 39,564.40

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Solution

The fourth proportional to 58,331.20, 87,453.60 and 39,564.40 is: 59,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.20 : 87,453.60 = 39,564.40 : x
  2. Step 2: Convert to fraction form
    58,331.20/87,453.60 = 39,564.40/x
  3. Step 3: Cross multiply
    58,331.20x = 87,453.60 × 39,564.40
  4. Step 4: Simplify right side
    58,331.20x = 3,460,049,211.84
  5. Step 5: Solve for x
    x = 3,460,049,211.84/58,331.20
  6. Step 6: Final answer
    x = 59,317.30

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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.