Home / 29,400.66-40,573.64-15,971.91

Finding the Fourth Proportional to 29,400.66, 40,573.64 and 15,971.91

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Solution

The fourth proportional to 29,400.66, 40,573.64 and 15,971.91 is: 22,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.66 : 40,573.64 = 15,971.91 : x
  2. Step 2: Convert to fraction form
    29,400.66/40,573.64 = 15,971.91/x
  3. Step 3: Cross multiply
    29,400.66x = 40,573.64 × 15,971.91
  4. Step 4: Simplify right side
    29,400.66x = 648,038,526.45
  5. Step 5: Solve for x
    x = 648,038,526.45/29,400.66
  6. Step 6: Final answer
    x = 22,041.63

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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.