Home / 30,802.56-42,507.32-17,373.93

Finding the Fourth Proportional to 30,802.56, 42,507.32 and 17,373.93

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Solution

The fourth proportional to 30,802.56, 42,507.32 and 17,373.93 is: 23,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.56 : 42,507.32 = 17,373.93 : x
  2. Step 2: Convert to fraction form
    30,802.56/42,507.32 = 17,373.93/x
  3. Step 3: Cross multiply
    30,802.56x = 42,507.32 × 17,373.93
  4. Step 4: Simplify right side
    30,802.56x = 738,519,202.17
  5. Step 5: Solve for x
    x = 738,519,202.17/30,802.56
  6. Step 6: Final answer
    x = 23,975.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.