Home / 40,124.65-55,358.39-23,128.35

Finding the Fourth Proportional to 40,124.65, 55,358.39 and 23,128.35

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Solution

The fourth proportional to 40,124.65, 55,358.39 and 23,128.35 is: 31,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.65 : 55,358.39 = 23,128.35 : x
  2. Step 2: Convert to fraction form
    40,124.65/55,358.39 = 23,128.35/x
  3. Step 3: Cross multiply
    40,124.65x = 55,358.39 × 23,128.35
  4. Step 4: Simplify right side
    40,124.65x = 1,280,348,219.36
  5. Step 5: Solve for x
    x = 1,280,348,219.36/40,124.65
  6. Step 6: Final answer
    x = 31,909.27

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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.