Home / 31,235.76-43,106.04-17,088.60

Finding the Fourth Proportional to 31,235.76, 43,106.04 and 17,088.60

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Solution

The fourth proportional to 31,235.76, 43,106.04 and 17,088.60 is: 23,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.76 : 43,106.04 = 17,088.60 : x
  2. Step 2: Convert to fraction form
    31,235.76/43,106.04 = 17,088.60/x
  3. Step 3: Cross multiply
    31,235.76x = 43,106.04 × 17,088.60
  4. Step 4: Simplify right side
    31,235.76x = 736,621,875.14
  5. Step 5: Solve for x
    x = 736,621,875.14/31,235.76
  6. Step 6: Final answer
    x = 23,582.65

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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.