Home / 42,771.65-64,157.51-11,606.90

Finding the Fourth Proportional to 42,771.65, 64,157.51 and 11,606.90

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Solution

The fourth proportional to 42,771.65, 64,157.51 and 11,606.90 is: 17,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771.65 : 64,157.51 = 11,606.90 : x
  2. Step 2: Convert to fraction form
    42,771.65/64,157.51 = 11,606.90/x
  3. Step 3: Cross multiply
    42,771.65x = 64,157.51 × 11,606.90
  4. Step 4: Simplify right side
    42,771.65x = 744,669,992.23
  5. Step 5: Solve for x
    x = 744,669,992.23/42,771.65
  6. Step 6: Final answer
    x = 17,410.36

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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.