Home / 57,085.02-85,534.02-30,402.68

Finding the Fourth Proportional to 57,085.02, 85,534.02 and 30,402.68

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Solution

The fourth proportional to 57,085.02, 85,534.02 and 30,402.68 is: 45,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.02 : 85,534.02 = 30,402.68 : x
  2. Step 2: Convert to fraction form
    57,085.02/85,534.02 = 30,402.68/x
  3. Step 3: Cross multiply
    57,085.02x = 85,534.02 × 30,402.68
  4. Step 4: Simplify right side
    57,085.02x = 2,600,463,439.17
  5. Step 5: Solve for x
    x = 2,600,463,439.17/57,085.02
  6. Step 6: Final answer
    x = 45,554.22

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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.