Home / 57,771.02-86,688.57-28,189.10

Finding the Fourth Proportional to 57,771.02, 86,688.57 and 28,189.10

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Solution

The fourth proportional to 57,771.02, 86,688.57 and 28,189.10 is: 42,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.02 : 86,688.57 = 28,189.10 : x
  2. Step 2: Convert to fraction form
    57,771.02/86,688.57 = 28,189.10/x
  3. Step 3: Cross multiply
    57,771.02x = 86,688.57 × 28,189.10
  4. Step 4: Simplify right side
    57,771.02x = 2,443,672,335.14
  5. Step 5: Solve for x
    x = 2,443,672,335.14/57,771.02
  6. Step 6: Final answer
    x = 42,299.28

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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.