Home / 37,279.76-55,886.16-13,890.32

Finding the Fourth Proportional to 37,279.76, 55,886.16 and 13,890.32

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Solution

The fourth proportional to 37,279.76, 55,886.16 and 13,890.32 is: 20,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.76 : 55,886.16 = 13,890.32 : x
  2. Step 2: Convert to fraction form
    37,279.76/55,886.16 = 13,890.32/x
  3. Step 3: Cross multiply
    37,279.76x = 55,886.16 × 13,890.32
  4. Step 4: Simplify right side
    37,279.76x = 776,276,645.97
  5. Step 5: Solve for x
    x = 776,276,645.97/37,279.76
  6. Step 6: Final answer
    x = 20,823.01

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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.