Home / 40,666.89-56,119.74-22,761.88

Finding the Fourth Proportional to 40,666.89, 56,119.74 and 22,761.88

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Solution

The fourth proportional to 40,666.89, 56,119.74 and 22,761.88 is: 31,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,666.89 : 56,119.74 = 22,761.88 : x
  2. Step 2: Convert to fraction form
    40,666.89/56,119.74 = 22,761.88/x
  3. Step 3: Cross multiply
    40,666.89x = 56,119.74 × 22,761.88
  4. Step 4: Simplify right side
    40,666.89x = 1,277,390,787.51
  5. Step 5: Solve for x
    x = 1,277,390,787.51/40,666.89
  6. Step 6: Final answer
    x = 31,411.08

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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.