Home / 42,007.51-63,012.48-15,707.23

Finding the Fourth Proportional to 42,007.51, 63,012.48 and 15,707.23

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Solution

The fourth proportional to 42,007.51, 63,012.48 and 15,707.23 is: 23,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.51 : 63,012.48 = 15,707.23 : x
  2. Step 2: Convert to fraction form
    42,007.51/63,012.48 = 15,707.23/x
  3. Step 3: Cross multiply
    42,007.51x = 63,012.48 × 15,707.23
  4. Step 4: Simplify right side
    42,007.51x = 989,751,516.23
  5. Step 5: Solve for x
    x = 989,751,516.23/42,007.51
  6. Step 6: Final answer
    x = 23,561.30

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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.