Home / 51,194.76-70,585.02-42,709.20

Finding the Fourth Proportional to 51,194.76, 70,585.02 and 42,709.20

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Solution

The fourth proportional to 51,194.76, 70,585.02 and 42,709.20 is: 58,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.76 : 70,585.02 = 42,709.20 : x
  2. Step 2: Convert to fraction form
    51,194.76/70,585.02 = 42,709.20/x
  3. Step 3: Cross multiply
    51,194.76x = 70,585.02 × 42,709.20
  4. Step 4: Simplify right side
    51,194.76x = 3,014,629,736.18
  5. Step 5: Solve for x
    x = 3,014,629,736.18/51,194.76
  6. Step 6: Final answer
    x = 58,885.51

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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.