Home / 42,842.94-64,273.98-20,674.92

Finding the Fourth Proportional to 42,842.94, 64,273.98 and 20,674.92

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Solution

The fourth proportional to 42,842.94, 64,273.98 and 20,674.92 is: 31,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,842.94 : 64,273.98 = 20,674.92 : x
  2. Step 2: Convert to fraction form
    42,842.94/64,273.98 = 20,674.92/x
  3. Step 3: Cross multiply
    42,842.94x = 64,273.98 × 20,674.92
  4. Step 4: Simplify right side
    42,842.94x = 1,328,859,394.58
  5. Step 5: Solve for x
    x = 1,328,859,394.58/42,842.94
  6. Step 6: Final answer
    x = 31,017.00

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1.5x scale

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.