Home / 37,315.32-51,494.40-20,319.77

Finding the Fourth Proportional to 37,315.32, 51,494.40 and 20,319.77

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Solution

The fourth proportional to 37,315.32, 51,494.40 and 20,319.77 is: 28,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.32 : 51,494.40 = 20,319.77 : x
  2. Step 2: Convert to fraction form
    37,315.32/51,494.40 = 20,319.77/x
  3. Step 3: Cross multiply
    37,315.32x = 51,494.40 × 20,319.77
  4. Step 4: Simplify right side
    37,315.32x = 1,046,354,279.57
  5. Step 5: Solve for x
    x = 1,046,354,279.57/37,315.32
  6. Step 6: Final answer
    x = 28,040.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.