Home / 42,520.41-63,759.66-14,430.22

Finding the Fourth Proportional to 42,520.41, 63,759.66 and 14,430.22

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Solution

The fourth proportional to 42,520.41, 63,759.66 and 14,430.22 is: 21,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.41 : 63,759.66 = 14,430.22 : x
  2. Step 2: Convert to fraction form
    42,520.41/63,759.66 = 14,430.22/x
  3. Step 3: Cross multiply
    42,520.41x = 63,759.66 × 14,430.22
  4. Step 4: Simplify right side
    42,520.41x = 920,066,027.68
  5. Step 5: Solve for x
    x = 920,066,027.68/42,520.41
  6. Step 6: Final answer
    x = 21,638.22

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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.