Home / 39,367.40-58,907.10-28,999.40

Finding the Fourth Proportional to 39,367.40, 58,907.10 and 28,999.40

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Solution

The fourth proportional to 39,367.40, 58,907.10 and 28,999.40 is: 43,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.40 : 58,907.10 = 28,999.40 : x
  2. Step 2: Convert to fraction form
    39,367.40/58,907.10 = 28,999.40/x
  3. Step 3: Cross multiply
    39,367.40x = 58,907.10 × 28,999.40
  4. Step 4: Simplify right side
    39,367.40x = 1,708,270,555.74
  5. Step 5: Solve for x
    x = 1,708,270,555.74/39,367.40
  6. Step 6: Final answer
    x = 43,393.02

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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.