Home / 30,832.79-42,501.71-25,157.52

Finding the Fourth Proportional to 30,832.79, 42,501.71 and 25,157.52

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Solution

The fourth proportional to 30,832.79, 42,501.71 and 25,157.52 is: 34,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.79 : 42,501.71 = 25,157.52 : x
  2. Step 2: Convert to fraction form
    30,832.79/42,501.71 = 25,157.52/x
  3. Step 3: Cross multiply
    30,832.79x = 42,501.71 × 25,157.52
  4. Step 4: Simplify right side
    30,832.79x = 1,069,237,682.25
  5. Step 5: Solve for x
    x = 1,069,237,682.25/30,832.79
  6. Step 6: Final answer
    x = 34,678.60

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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.