Home / 38,477.58-57,694.77-13,510.68

Finding the Fourth Proportional to 38,477.58, 57,694.77 and 13,510.68

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Solution

The fourth proportional to 38,477.58, 57,694.77 and 13,510.68 is: 20,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.58 : 57,694.77 = 13,510.68 : x
  2. Step 2: Convert to fraction form
    38,477.58/57,694.77 = 13,510.68/x
  3. Step 3: Cross multiply
    38,477.58x = 57,694.77 × 13,510.68
  4. Step 4: Simplify right side
    38,477.58x = 779,495,575.14
  5. Step 5: Solve for x
    x = 779,495,575.14/38,477.58
  6. Step 6: Final answer
    x = 20,258.44

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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.