Home / 30,376.80-45,565.20-22,017.60

Finding the Fourth Proportional to 30,376.80, 45,565.20 and 22,017.60

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Solution

The fourth proportional to 30,376.80, 45,565.20 and 22,017.60 is: 33,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.80 : 45,565.20 = 22,017.60 : x
  2. Step 2: Convert to fraction form
    30,376.80/45,565.20 = 22,017.60/x
  3. Step 3: Cross multiply
    30,376.80x = 45,565.20 × 22,017.60
  4. Step 4: Simplify right side
    30,376.80x = 1,003,236,347.52
  5. Step 5: Solve for x
    x = 1,003,236,347.52/30,376.80
  6. Step 6: Final answer
    x = 33,026.40

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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.