Home / 42,559.20-58,729.40-23,435.28

Finding the Fourth Proportional to 42,559.20, 58,729.40 and 23,435.28

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Solution

The fourth proportional to 42,559.20, 58,729.40 and 23,435.28 is: 32,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.20 : 58,729.40 = 23,435.28 : x
  2. Step 2: Convert to fraction form
    42,559.20/58,729.40 = 23,435.28/x
  3. Step 3: Cross multiply
    42,559.20x = 58,729.40 × 23,435.28
  4. Step 4: Simplify right side
    42,559.20x = 1,376,339,933.23
  5. Step 5: Solve for x
    x = 1,376,339,933.23/42,559.20
  6. Step 6: Final answer
    x = 32,339.42

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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.