Home / 30,590.06-45,875.37-20,792.30

Finding the Fourth Proportional to 30,590.06, 45,875.37 and 20,792.30

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Solution

The fourth proportional to 30,590.06, 45,875.37 and 20,792.30 is: 31,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.06 : 45,875.37 = 20,792.30 : x
  2. Step 2: Convert to fraction form
    30,590.06/45,875.37 = 20,792.30/x
  3. Step 3: Cross multiply
    30,590.06x = 45,875.37 × 20,792.30
  4. Step 4: Simplify right side
    30,590.06x = 953,854,359.32
  5. Step 5: Solve for x
    x = 953,854,359.32/30,590.06
  6. Step 6: Final answer
    x = 31,181.84

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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.