Home / 42,304.48-63,431.81-14,217.32

Finding the Fourth Proportional to 42,304.48, 63,431.81 and 14,217.32

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Solution

The fourth proportional to 42,304.48, 63,431.81 and 14,217.32 is: 21,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,304.48 : 63,431.81 = 14,217.32 : x
  2. Step 2: Convert to fraction form
    42,304.48/63,431.81 = 14,217.32/x
  3. Step 3: Cross multiply
    42,304.48x = 63,431.81 × 14,217.32
  4. Step 4: Simplify right side
    42,304.48x = 901,830,481.76
  5. Step 5: Solve for x
    x = 901,830,481.76/42,304.48
  6. Step 6: Final answer
    x = 21,317.61

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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.