Home / 30,341.09-45,181.10-30,009.45

Finding the Fourth Proportional to 30,341.09, 45,181.10 and 30,009.45

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Solution

The fourth proportional to 30,341.09, 45,181.10 and 30,009.45 is: 44,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.09 : 45,181.10 = 30,009.45 : x
  2. Step 2: Convert to fraction form
    30,341.09/45,181.10 = 30,009.45/x
  3. Step 3: Cross multiply
    30,341.09x = 45,181.10 × 30,009.45
  4. Step 4: Simplify right side
    30,341.09x = 1,355,859,811.35
  5. Step 5: Solve for x
    x = 1,355,859,811.35/30,341.09
  6. Step 6: Final answer
    x = 44,687.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.