Home / 42,623.40-63,935.10-25,710.60

Finding the Fourth Proportional to 42,623.40, 63,935.10 and 25,710.60

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Solution

The fourth proportional to 42,623.40, 63,935.10 and 25,710.60 is: 38,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.40 : 63,935.10 = 25,710.60 : x
  2. Step 2: Convert to fraction form
    42,623.40/63,935.10 = 25,710.60/x
  3. Step 3: Cross multiply
    42,623.40x = 63,935.10 × 25,710.60
  4. Step 4: Simplify right side
    42,623.40x = 1,643,809,782.06
  5. Step 5: Solve for x
    x = 1,643,809,782.06/42,623.40
  6. Step 6: Final answer
    x = 38,565.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.