Home / 76,258.40-114,402.84-26,340.32

Finding the Fourth Proportional to 76,258.40, 114,402.84 and 26,340.32

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Solution

The fourth proportional to 76,258.40, 114,402.84 and 26,340.32 is: 39,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,258.40 : 114,402.84 = 26,340.32 : x
  2. Step 2: Convert to fraction form
    76,258.40/114,402.84 = 26,340.32/x
  3. Step 3: Cross multiply
    76,258.40x = 114,402.84 × 26,340.32
  4. Step 4: Simplify right side
    76,258.40x = 3,013,407,414.51
  5. Step 5: Solve for x
    x = 3,013,407,414.51/76,258.40
  6. Step 6: Final answer
    x = 39,515.74

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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.