Home / 30,528.90-45,739.50-26,738.40

Finding the Fourth Proportional to 30,528.90, 45,739.50 and 26,738.40

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Solution

The fourth proportional to 30,528.90, 45,739.50 and 26,738.40 is: 40,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.90 : 45,739.50 = 26,738.40 : x
  2. Step 2: Convert to fraction form
    30,528.90/45,739.50 = 26,738.40/x
  3. Step 3: Cross multiply
    30,528.90x = 45,739.50 × 26,738.40
  4. Step 4: Simplify right side
    30,528.90x = 1,223,001,046.80
  5. Step 5: Solve for x
    x = 1,223,001,046.80/30,528.90
  6. Step 6: Final answer
    x = 40,060.44

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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.