Home / 42,348.63-63,512.69-14,261.43

Finding the Fourth Proportional to 42,348.63, 63,512.69 and 14,261.43

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Solution

The fourth proportional to 42,348.63, 63,512.69 and 14,261.43 is: 21,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348.63 : 63,512.69 = 14,261.43 : x
  2. Step 2: Convert to fraction form
    42,348.63/63,512.69 = 14,261.43/x
  3. Step 3: Cross multiply
    42,348.63x = 63,512.69 × 14,261.43
  4. Step 4: Simplify right side
    42,348.63x = 905,781,711.24
  5. Step 5: Solve for x
    x = 905,781,711.24/42,348.63
  6. Step 6: Final answer
    x = 21,388.69

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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.