Home / 30,474.24-42,054.15-17,045.34

Finding the Fourth Proportional to 30,474.24, 42,054.15 and 17,045.34

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Solution

The fourth proportional to 30,474.24, 42,054.15 and 17,045.34 is: 23,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.24 : 42,054.15 = 17,045.34 : x
  2. Step 2: Convert to fraction form
    30,474.24/42,054.15 = 17,045.34/x
  3. Step 3: Cross multiply
    30,474.24x = 42,054.15 × 17,045.34
  4. Step 4: Simplify right side
    30,474.24x = 716,827,285.16
  5. Step 5: Solve for x
    x = 716,827,285.16/30,474.24
  6. Step 6: Final answer
    x = 23,522.40

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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.