Home / 42,120.50-58,056.99-29,859.98

Finding the Fourth Proportional to 42,120.50, 58,056.99 and 29,859.98

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Solution

The fourth proportional to 42,120.50, 58,056.99 and 29,859.98 is: 41,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.50 : 58,056.99 = 29,859.98 : x
  2. Step 2: Convert to fraction form
    42,120.50/58,056.99 = 29,859.98/x
  3. Step 3: Cross multiply
    42,120.50x = 58,056.99 × 29,859.98
  4. Step 4: Simplify right side
    42,120.50x = 1,733,580,560.26
  5. Step 5: Solve for x
    x = 1,733,580,560.26/42,120.50
  6. Step 6: Final answer
    x = 41,157.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.