Home / 50,095.40-69,143.02-31,228.88

Finding the Fourth Proportional to 50,095.40, 69,143.02 and 31,228.88

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Solution

The fourth proportional to 50,095.40, 69,143.02 and 31,228.88 is: 43,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,095.40 : 69,143.02 = 31,228.88 : x
  2. Step 2: Convert to fraction form
    50,095.40/69,143.02 = 31,228.88/x
  3. Step 3: Cross multiply
    50,095.40x = 69,143.02 × 31,228.88
  4. Step 4: Simplify right side
    50,095.40x = 2,159,258,650.63
  5. Step 5: Solve for x
    x = 2,159,258,650.63/50,095.40
  6. Step 6: Final answer
    x = 43,102.94

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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.