Home / 40,978.04-61,477.99-14,685.44

Finding the Fourth Proportional to 40,978.04, 61,477.99 and 14,685.44

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Solution

The fourth proportional to 40,978.04, 61,477.99 and 14,685.44 is: 22,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978.04 : 61,477.99 = 14,685.44 : x
  2. Step 2: Convert to fraction form
    40,978.04/61,477.99 = 14,685.44/x
  3. Step 3: Cross multiply
    40,978.04x = 61,477.99 × 14,685.44
  4. Step 4: Simplify right side
    40,978.04x = 902,830,989.36
  5. Step 5: Solve for x
    x = 902,830,989.36/40,978.04
  6. Step 6: Final answer
    x = 22,032.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.