Home / 29,400.02-40,572.16-15,971.52

Finding the Fourth Proportional to 29,400.02, 40,572.16 and 15,971.52

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Solution

The fourth proportional to 29,400.02, 40,572.16 and 15,971.52 is: 22,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.02 : 40,572.16 = 15,971.52 : x
  2. Step 2: Convert to fraction form
    29,400.02/40,572.16 = 15,971.52/x
  3. Step 3: Cross multiply
    29,400.02x = 40,572.16 × 15,971.52
  4. Step 4: Simplify right side
    29,400.02x = 647,999,064.88
  5. Step 5: Solve for x
    x = 647,999,064.88/29,400.02
  6. Step 6: Final answer
    x = 22,040.77

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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.