Home / 30,364.80-45,547.20-22,005.60

Finding the Fourth Proportional to 30,364.80, 45,547.20 and 22,005.60

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Solution

The fourth proportional to 30,364.80, 45,547.20 and 22,005.60 is: 33,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.80 : 45,547.20 = 22,005.60 : x
  2. Step 2: Convert to fraction form
    30,364.80/45,547.20 = 22,005.60/x
  3. Step 3: Cross multiply
    30,364.80x = 45,547.20 × 22,005.60
  4. Step 4: Simplify right side
    30,364.80x = 1,002,293,464.32
  5. Step 5: Solve for x
    x = 1,002,293,464.32/30,364.80
  6. Step 6: Final answer
    x = 33,008.40

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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.