Home / 47,457.71-65,480.75-28,333.76

Finding the Fourth Proportional to 47,457.71, 65,480.75 and 28,333.76

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Solution

The fourth proportional to 47,457.71, 65,480.75 and 28,333.76 is: 39,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,457.71 : 65,480.75 = 28,333.76 : x
  2. Step 2: Convert to fraction form
    47,457.71/65,480.75 = 28,333.76/x
  3. Step 3: Cross multiply
    47,457.71x = 65,480.75 × 28,333.76
  4. Step 4: Simplify right side
    47,457.71x = 1,855,315,598.55
  5. Step 5: Solve for x
    x = 1,855,315,598.55/47,457.71
  6. Step 6: Final answer
    x = 39,094.09

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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.