Home / 40,886.16-56,420.88-22,981.92

Finding the Fourth Proportional to 40,886.16, 56,420.88 and 22,981.92

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Solution

The fourth proportional to 40,886.16, 56,420.88 and 22,981.92 is: 31,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,886.16 : 56,420.88 = 22,981.92 : x
  2. Step 2: Convert to fraction form
    40,886.16/56,420.88 = 22,981.92/x
  3. Step 3: Cross multiply
    40,886.16x = 56,420.88 × 22,981.92
  4. Step 4: Simplify right side
    40,886.16x = 1,296,660,150.49
  5. Step 5: Solve for x
    x = 1,296,660,150.49/40,886.16
  6. Step 6: Final answer
    x = 31,713.91

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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.