Home / 32,008.47-47,919.69-18,640.67

Finding the Fourth Proportional to 32,008.47, 47,919.69 and 18,640.67

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Solution

The fourth proportional to 32,008.47, 47,919.69 and 18,640.67 is: 27,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,008.47 : 47,919.69 = 18,640.67 : x
  2. Step 2: Convert to fraction form
    32,008.47/47,919.69 = 18,640.67/x
  3. Step 3: Cross multiply
    32,008.47x = 47,919.69 × 18,640.67
  4. Step 4: Simplify right side
    32,008.47x = 893,254,888.19
  5. Step 5: Solve for x
    x = 893,254,888.19/32,008.47
  6. Step 6: Final answer
    x = 27,906.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.