Home / 42,311.80-58,393.74-23,455

Finding the Fourth Proportional to 42,311.80, 58,393.74 and 23,455

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Solution

The fourth proportional to 42,311.80, 58,393.74 and 23,455 is: 32,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.80 : 58,393.74 = 23,455 : x
  2. Step 2: Convert to fraction form
    42,311.80/58,393.74 = 23,455/x
  3. Step 3: Cross multiply
    42,311.80x = 58,393.74 × 23,455
  4. Step 4: Simplify right side
    42,311.80x = 1,369,625,171.70
  5. Step 5: Solve for x
    x = 1,369,625,171.70/42,311.80
  6. Step 6: Final answer
    x = 32,369.82

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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.