Home / 39,840.69-59,751.80-11,762.67

Finding the Fourth Proportional to 39,840.69, 59,751.80 and 11,762.67

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Solution

The fourth proportional to 39,840.69, 59,751.80 and 11,762.67 is: 17,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.69 : 59,751.80 = 11,762.67 : x
  2. Step 2: Convert to fraction form
    39,840.69/59,751.80 = 11,762.67/x
  3. Step 3: Cross multiply
    39,840.69x = 59,751.80 × 11,762.67
  4. Step 4: Simplify right side
    39,840.69x = 702,840,646.49
  5. Step 5: Solve for x
    x = 702,840,646.49/39,840.69
  6. Step 6: Final answer
    x = 17,641.28

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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.