Home / 42,953.41-64,431.33-11,788.66

Finding the Fourth Proportional to 42,953.41, 64,431.33 and 11,788.66

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Solution

The fourth proportional to 42,953.41, 64,431.33 and 11,788.66 is: 17,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,953.41 : 64,431.33 = 11,788.66 : x
  2. Step 2: Convert to fraction form
    42,953.41/64,431.33 = 11,788.66/x
  3. Step 3: Cross multiply
    42,953.41x = 64,431.33 × 11,788.66
  4. Step 4: Simplify right side
    42,953.41x = 759,559,042.72
  5. Step 5: Solve for x
    x = 759,559,042.72/42,953.41
  6. Step 6: Final answer
    x = 17,683.32

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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.