Home / 40,784.40-56,285.16-22,880.58

Finding the Fourth Proportional to 40,784.40, 56,285.16 and 22,880.58

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Solution

The fourth proportional to 40,784.40, 56,285.16 and 22,880.58 is: 31,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.40 : 56,285.16 = 22,880.58 : x
  2. Step 2: Convert to fraction form
    40,784.40/56,285.16 = 22,880.58/x
  3. Step 3: Cross multiply
    40,784.40x = 56,285.16 × 22,880.58
  4. Step 4: Simplify right side
    40,784.40x = 1,287,837,106.19
  5. Step 5: Solve for x
    x = 1,287,837,106.19/40,784.40
  6. Step 6: Final answer
    x = 31,576.71

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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.