Home / 42,629.66-63,942.14-13,047.48

Finding the Fourth Proportional to 42,629.66, 63,942.14 and 13,047.48

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Solution

The fourth proportional to 42,629.66, 63,942.14 and 13,047.48 is: 19,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.66 : 63,942.14 = 13,047.48 : x
  2. Step 2: Convert to fraction form
    42,629.66/63,942.14 = 13,047.48/x
  3. Step 3: Cross multiply
    42,629.66x = 63,942.14 × 13,047.48
  4. Step 4: Simplify right side
    42,629.66x = 834,283,792.81
  5. Step 5: Solve for x
    x = 834,283,792.81/42,629.66
  6. Step 6: Final answer
    x = 19,570.50

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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.