Home / 42,673.84-63,925.02-21,261.97

Finding the Fourth Proportional to 42,673.84, 63,925.02 and 21,261.97

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Solution

The fourth proportional to 42,673.84, 63,925.02 and 21,261.97 is: 31,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673.84 : 63,925.02 = 21,261.97 : x
  2. Step 2: Convert to fraction form
    42,673.84/63,925.02 = 21,261.97/x
  3. Step 3: Cross multiply
    42,673.84x = 63,925.02 × 21,261.97
  4. Step 4: Simplify right side
    42,673.84x = 1,359,171,817.41
  5. Step 5: Solve for x
    x = 1,359,171,817.41/42,673.84
  6. Step 6: Final answer
    x = 31,850.24

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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.