Home / 40,088.21-55,320.90-22,182.15

Finding the Fourth Proportional to 40,088.21, 55,320.90 and 22,182.15

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Solution

The fourth proportional to 40,088.21, 55,320.90 and 22,182.15 is: 30,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.21 : 55,320.90 = 22,182.15 : x
  2. Step 2: Convert to fraction form
    40,088.21/55,320.90 = 22,182.15/x
  3. Step 3: Cross multiply
    40,088.21x = 55,320.90 × 22,182.15
  4. Step 4: Simplify right side
    40,088.21x = 1,227,136,501.94
  5. Step 5: Solve for x
    x = 1,227,136,501.94/40,088.21
  6. Step 6: Final answer
    x = 30,610.91

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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.