Home / 56,831.02-85,271.12-30,505.03

Finding the Fourth Proportional to 56,831.02, 85,271.12 and 30,505.03

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Solution

The fourth proportional to 56,831.02, 85,271.12 and 30,505.03 is: 45,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.02 : 85,271.12 = 30,505.03 : x
  2. Step 2: Convert to fraction form
    56,831.02/85,271.12 = 30,505.03/x
  3. Step 3: Cross multiply
    56,831.02x = 85,271.12 × 30,505.03
  4. Step 4: Simplify right side
    56,831.02x = 2,601,197,921.21
  5. Step 5: Solve for x
    x = 2,601,197,921.21/56,831.02
  6. Step 6: Final answer
    x = 45,770.74

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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.