Home / 31,518.86-43,516.28-19,598.41

Finding the Fourth Proportional to 31,518.86, 43,516.28 and 19,598.41

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Solution

The fourth proportional to 31,518.86, 43,516.28 and 19,598.41 is: 27,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.86 : 43,516.28 = 19,598.41 : x
  2. Step 2: Convert to fraction form
    31,518.86/43,516.28 = 19,598.41/x
  3. Step 3: Cross multiply
    31,518.86x = 43,516.28 × 19,598.41
  4. Step 4: Simplify right side
    31,518.86x = 852,849,581.54
  5. Step 5: Solve for x
    x = 852,849,581.54/31,518.86
  6. Step 6: Final answer
    x = 27,058.39

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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.