Home / 40,865.67-61,298.40-10,879.91

Finding the Fourth Proportional to 40,865.67, 61,298.40 and 10,879.91

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Solution

The fourth proportional to 40,865.67, 61,298.40 and 10,879.91 is: 16,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.67 : 61,298.40 = 10,879.91 : x
  2. Step 2: Convert to fraction form
    40,865.67/61,298.40 = 10,879.91/x
  3. Step 3: Cross multiply
    40,865.67x = 61,298.40 × 10,879.91
  4. Step 4: Simplify right side
    40,865.67x = 666,921,075.14
  5. Step 5: Solve for x
    x = 666,921,075.14/40,865.67
  6. Step 6: Final answer
    x = 16,319.84

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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.