Home / 30,258.92-45,393.26-12,733.76

Finding the Fourth Proportional to 30,258.92, 45,393.26 and 12,733.76

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Solution

The fourth proportional to 30,258.92, 45,393.26 and 12,733.76 is: 19,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.92 : 45,393.26 = 12,733.76 : x
  2. Step 2: Convert to fraction form
    30,258.92/45,393.26 = 12,733.76/x
  3. Step 3: Cross multiply
    30,258.92x = 45,393.26 × 12,733.76
  4. Step 4: Simplify right side
    30,258.92x = 578,026,587.82
  5. Step 5: Solve for x
    x = 578,026,587.82/30,258.92
  6. Step 6: Final answer
    x = 19,102.69

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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.