Home / 32,431.05-44,749.70-18,281.16

Finding the Fourth Proportional to 32,431.05, 44,749.70 and 18,281.16

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Solution

The fourth proportional to 32,431.05, 44,749.70 and 18,281.16 is: 25,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.05 : 44,749.70 = 18,281.16 : x
  2. Step 2: Convert to fraction form
    32,431.05/44,749.70 = 18,281.16/x
  3. Step 3: Cross multiply
    32,431.05x = 44,749.70 × 18,281.16
  4. Step 4: Simplify right side
    32,431.05x = 818,076,425.65
  5. Step 5: Solve for x
    x = 818,076,425.65/32,431.05
  6. Step 6: Final answer
    x = 25,225.10

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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.