Home / 32,130.81-44,332.11-18,515.52

Finding the Fourth Proportional to 32,130.81, 44,332.11 and 18,515.52

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Solution

The fourth proportional to 32,130.81, 44,332.11 and 18,515.52 is: 25,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.81 : 44,332.11 = 18,515.52 : x
  2. Step 2: Convert to fraction form
    32,130.81/44,332.11 = 18,515.52/x
  3. Step 3: Cross multiply
    32,130.81x = 44,332.11 × 18,515.52
  4. Step 4: Simplify right side
    32,130.81x = 820,832,069.35
  5. Step 5: Solve for x
    x = 820,832,069.35/32,130.81
  6. Step 6: Final answer
    x = 25,546.57

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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.