Home / 53,855.02-74,317.90-29,981.22

Finding the Fourth Proportional to 53,855.02, 74,317.90 and 29,981.22

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Solution

The fourth proportional to 53,855.02, 74,317.90 and 29,981.22 is: 41,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.02 : 74,317.90 = 29,981.22 : x
  2. Step 2: Convert to fraction form
    53,855.02/74,317.90 = 29,981.22/x
  3. Step 3: Cross multiply
    53,855.02x = 74,317.90 × 29,981.22
  4. Step 4: Simplify right side
    53,855.02x = 2,228,141,309.84
  5. Step 5: Solve for x
    x = 2,228,141,309.84/53,855.02
  6. Step 6: Final answer
    x = 41,372.95

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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.