Home / 40,428.60-55,790.86-23,435.16

Finding the Fourth Proportional to 40,428.60, 55,790.86 and 23,435.16

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Solution

The fourth proportional to 40,428.60, 55,790.86 and 23,435.16 is: 32,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.60 : 55,790.86 = 23,435.16 : x
  2. Step 2: Convert to fraction form
    40,428.60/55,790.86 = 23,435.16/x
  3. Step 3: Cross multiply
    40,428.60x = 55,790.86 × 23,435.16
  4. Step 4: Simplify right side
    40,428.60x = 1,307,467,730.64
  5. Step 5: Solve for x
    x = 1,307,467,730.64/40,428.60
  6. Step 6: Final answer
    x = 32,340.17

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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.