Home / 42,503.40-58,653.52-23,121.68

Finding the Fourth Proportional to 42,503.40, 58,653.52 and 23,121.68

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Solution

The fourth proportional to 42,503.40, 58,653.52 and 23,121.68 is: 31,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,503.40 : 58,653.52 = 23,121.68 : x
  2. Step 2: Convert to fraction form
    42,503.40/58,653.52 = 23,121.68/x
  3. Step 3: Cross multiply
    42,503.40x = 58,653.52 × 23,121.68
  4. Step 4: Simplify right side
    42,503.40x = 1,356,167,655.95
  5. Step 5: Solve for x
    x = 1,356,167,655.95/42,503.40
  6. Step 6: Final answer
    x = 31,907.27

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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.