Home / 42,684.18-64,036.26-14,604.48

Finding the Fourth Proportional to 42,684.18, 64,036.26 and 14,604.48

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Solution

The fourth proportional to 42,684.18, 64,036.26 and 14,604.48 is: 21,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.18 : 64,036.26 = 14,604.48 : x
  2. Step 2: Convert to fraction form
    42,684.18/64,036.26 = 14,604.48/x
  3. Step 3: Cross multiply
    42,684.18x = 64,036.26 × 14,604.48
  4. Step 4: Simplify right side
    42,684.18x = 935,216,278.44
  5. Step 5: Solve for x
    x = 935,216,278.44/42,684.18
  6. Step 6: Final answer
    x = 21,910.14

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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.