Home / 40,047.56-60,035.10-18,974.45

Finding the Fourth Proportional to 40,047.56, 60,035.10 and 18,974.45

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Solution

The fourth proportional to 40,047.56, 60,035.10 and 18,974.45 is: 28,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047.56 : 60,035.10 = 18,974.45 : x
  2. Step 2: Convert to fraction form
    40,047.56/60,035.10 = 18,974.45/x
  3. Step 3: Cross multiply
    40,047.56x = 60,035.10 × 18,974.45
  4. Step 4: Simplify right side
    40,047.56x = 1,139,133,003.20
  5. Step 5: Solve for x
    x = 1,139,133,003.20/40,047.56
  6. Step 6: Final answer
    x = 28,444.50

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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.