Home / 42,121.50-58,058.37-29,860.98

Finding the Fourth Proportional to 42,121.50, 58,058.37 and 29,860.98

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Solution

The fourth proportional to 42,121.50, 58,058.37 and 29,860.98 is: 41,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.50 : 58,058.37 = 29,860.98 : x
  2. Step 2: Convert to fraction form
    42,121.50/58,058.37 = 29,860.98/x
  3. Step 3: Cross multiply
    42,121.50x = 58,058.37 × 29,860.98
  4. Step 4: Simplify right side
    42,121.50x = 1,733,679,825.40
  5. Step 5: Solve for x
    x = 1,733,679,825.40/42,121.50
  6. Step 6: Final answer
    x = 41,159.02

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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.