Home / 30,403.92-45,521.82-15,580.92

Finding the Fourth Proportional to 30,403.92, 45,521.82 and 15,580.92

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Solution

The fourth proportional to 30,403.92, 45,521.82 and 15,580.92 is: 23,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.92 : 45,521.82 = 15,580.92 : x
  2. Step 2: Convert to fraction form
    30,403.92/45,521.82 = 15,580.92/x
  3. Step 3: Cross multiply
    30,403.92x = 45,521.82 × 15,580.92
  4. Step 4: Simplify right side
    30,403.92x = 709,271,835.67
  5. Step 5: Solve for x
    x = 709,271,835.67/30,403.92
  6. Step 6: Final answer
    x = 23,328.30

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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.