Home / 40,415.08-55,772.67-22,510.30

Finding the Fourth Proportional to 40,415.08, 55,772.67 and 22,510.30

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Solution

The fourth proportional to 40,415.08, 55,772.67 and 22,510.30 is: 31,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.08 : 55,772.67 = 22,510.30 : x
  2. Step 2: Convert to fraction form
    40,415.08/55,772.67 = 22,510.30/x
  3. Step 3: Cross multiply
    40,415.08x = 55,772.67 × 22,510.30
  4. Step 4: Simplify right side
    40,415.08x = 1,255,459,533.50
  5. Step 5: Solve for x
    x = 1,255,459,533.50/40,415.08
  6. Step 6: Final answer
    x = 31,064.14

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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.