Home / 42,637.80-63,962.51-14,550.30

Finding the Fourth Proportional to 42,637.80, 63,962.51 and 14,550.30

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Solution

The fourth proportional to 42,637.80, 63,962.51 and 14,550.30 is: 21,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.80 : 63,962.51 = 14,550.30 : x
  2. Step 2: Convert to fraction form
    42,637.80/63,962.51 = 14,550.30/x
  3. Step 3: Cross multiply
    42,637.80x = 63,962.51 × 14,550.30
  4. Step 4: Simplify right side
    42,637.80x = 930,673,709.25
  5. Step 5: Solve for x
    x = 930,673,709.25/42,637.80
  6. Step 6: Final answer
    x = 21,827.43

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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.