Home / 40,666.49-56,119.75-22,761.50

Finding the Fourth Proportional to 40,666.49, 56,119.75 and 22,761.50

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Solution

The fourth proportional to 40,666.49, 56,119.75 and 22,761.50 is: 31,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,666.49 : 56,119.75 = 22,761.50 : x
  2. Step 2: Convert to fraction form
    40,666.49/56,119.75 = 22,761.50/x
  3. Step 3: Cross multiply
    40,666.49x = 56,119.75 × 22,761.50
  4. Step 4: Simplify right side
    40,666.49x = 1,277,369,689.63
  5. Step 5: Solve for x
    x = 1,277,369,689.63/40,666.49
  6. Step 6: Final answer
    x = 31,410.87

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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.