Home / 42,406.34-63,609.51-14,326.52

Finding the Fourth Proportional to 42,406.34, 63,609.51 and 14,326.52

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Solution

The fourth proportional to 42,406.34, 63,609.51 and 14,326.52 is: 21,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.34 : 63,609.51 = 14,326.52 : x
  2. Step 2: Convert to fraction form
    42,406.34/63,609.51 = 14,326.52/x
  3. Step 3: Cross multiply
    42,406.34x = 63,609.51 × 14,326.52
  4. Step 4: Simplify right side
    42,406.34x = 911,302,917.21
  5. Step 5: Solve for x
    x = 911,302,917.21/42,406.34
  6. Step 6: Final answer
    x = 21,489.78

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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.