Home / 39,379.77-59,047.79-13,070.16

Finding the Fourth Proportional to 39,379.77, 59,047.79 and 13,070.16

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Solution

The fourth proportional to 39,379.77, 59,047.79 and 13,070.16 is: 19,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.77 : 59,047.79 = 13,070.16 : x
  2. Step 2: Convert to fraction form
    39,379.77/59,047.79 = 13,070.16/x
  3. Step 3: Cross multiply
    39,379.77x = 59,047.79 × 13,070.16
  4. Step 4: Simplify right side
    39,379.77x = 771,763,997.60
  5. Step 5: Solve for x
    x = 771,763,997.60/39,379.77
  6. Step 6: Final answer
    x = 19,597.98

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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.