Home / 40,569.02-55,984.46-22,420.70

Finding the Fourth Proportional to 40,569.02, 55,984.46 and 22,420.70

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Solution

The fourth proportional to 40,569.02, 55,984.46 and 22,420.70 is: 30,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,569.02 : 55,984.46 = 22,420.70 : x
  2. Step 2: Convert to fraction form
    40,569.02/55,984.46 = 22,420.70/x
  3. Step 3: Cross multiply
    40,569.02x = 55,984.46 × 22,420.70
  4. Step 4: Simplify right side
    40,569.02x = 1,255,210,782.32
  5. Step 5: Solve for x
    x = 1,255,210,782.32/40,569.02
  6. Step 6: Final answer
    x = 30,940.13

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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.