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Finding the Fourth Proportional to 42,554.25, 63,860.54 and 14,852.25

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Solution

The fourth proportional to 42,554.25, 63,860.54 and 14,852.25 is: 22,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554.25 : 63,860.54 = 14,852.25 : x
  2. Step 2: Convert to fraction form
    42,554.25/63,860.54 = 14,852.25/x
  3. Step 3: Cross multiply
    42,554.25x = 63,860.54 × 14,852.25
  4. Step 4: Simplify right side
    42,554.25x = 948,472,705.22
  5. Step 5: Solve for x
    x = 948,472,705.22/42,554.25
  6. Step 6: Final answer
    x = 22,288.55

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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.