Home / 35,344.86-48,774.68-19,429.20

Finding the Fourth Proportional to 35,344.86, 48,774.68 and 19,429.20

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Solution

The fourth proportional to 35,344.86, 48,774.68 and 19,429.20 is: 26,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.86 : 48,774.68 = 19,429.20 : x
  2. Step 2: Convert to fraction form
    35,344.86/48,774.68 = 19,429.20/x
  3. Step 3: Cross multiply
    35,344.86x = 48,774.68 × 19,429.20
  4. Step 4: Simplify right side
    35,344.86x = 947,652,915.51
  5. Step 5: Solve for x
    x = 947,652,915.51/35,344.86
  6. Step 6: Final answer
    x = 26,811.62

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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.