Home / 30,398.36-45,513.57-15,575.36

Finding the Fourth Proportional to 30,398.36, 45,513.57 and 15,575.36

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Solution

The fourth proportional to 30,398.36, 45,513.57 and 15,575.36 is: 23,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.36 : 45,513.57 = 15,575.36 : x
  2. Step 2: Convert to fraction form
    30,398.36/45,513.57 = 15,575.36/x
  3. Step 3: Cross multiply
    30,398.36x = 45,513.57 × 15,575.36
  4. Step 4: Simplify right side
    30,398.36x = 708,890,237.64
  5. Step 5: Solve for x
    x = 708,890,237.64/30,398.36
  6. Step 6: Final answer
    x = 23,320.02

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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.