Home / 39,346.09-59,019.05-12,330.50

Finding the Fourth Proportional to 39,346.09, 59,019.05 and 12,330.50

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Solution

The fourth proportional to 39,346.09, 59,019.05 and 12,330.50 is: 18,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.09 : 59,019.05 = 12,330.50 : x
  2. Step 2: Convert to fraction form
    39,346.09/59,019.05 = 12,330.50/x
  3. Step 3: Cross multiply
    39,346.09x = 59,019.05 × 12,330.50
  4. Step 4: Simplify right side
    39,346.09x = 727,734,334.37
  5. Step 5: Solve for x
    x = 727,734,334.37/39,346.09
  6. Step 6: Final answer
    x = 18,495.72

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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.