Home / 42,823.58-64,230.74-11,236.82

Finding the Fourth Proportional to 42,823.58, 64,230.74 and 11,236.82

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Solution

The fourth proportional to 42,823.58, 64,230.74 and 11,236.82 is: 16,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.58 : 64,230.74 = 11,236.82 : x
  2. Step 2: Convert to fraction form
    42,823.58/64,230.74 = 11,236.82/x
  3. Step 3: Cross multiply
    42,823.58x = 64,230.74 × 11,236.82
  4. Step 4: Simplify right side
    42,823.58x = 721,748,970.79
  5. Step 5: Solve for x
    x = 721,748,970.79/42,823.58
  6. Step 6: Final answer
    x = 16,854.01

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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.