Home / 42,779.45-64,180.11-16,477.13

Finding the Fourth Proportional to 42,779.45, 64,180.11 and 16,477.13

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Solution

The fourth proportional to 42,779.45, 64,180.11 and 16,477.13 is: 24,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,779.45 : 64,180.11 = 16,477.13 : x
  2. Step 2: Convert to fraction form
    42,779.45/64,180.11 = 16,477.13/x
  3. Step 3: Cross multiply
    42,779.45x = 64,180.11 × 16,477.13
  4. Step 4: Simplify right side
    42,779.45x = 1,057,504,015.88
  5. Step 5: Solve for x
    x = 1,057,504,015.88/42,779.45
  6. Step 6: Final answer
    x = 24,719.91

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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.