Home / 40,312.97-55,656.81-25,977.86

Finding the Fourth Proportional to 40,312.97, 55,656.81 and 25,977.86

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Solution

The fourth proportional to 40,312.97, 55,656.81 and 25,977.86 is: 35,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.97 : 55,656.81 = 25,977.86 : x
  2. Step 2: Convert to fraction form
    40,312.97/55,656.81 = 25,977.86/x
  3. Step 3: Cross multiply
    40,312.97x = 55,656.81 × 25,977.86
  4. Step 4: Simplify right side
    40,312.97x = 1,445,844,818.23
  5. Step 5: Solve for x
    x = 1,445,844,818.23/40,312.97
  6. Step 6: Final answer
    x = 35,865.50

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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.