Home / 40,045.56-60,032.10-18,972.45

Finding the Fourth Proportional to 40,045.56, 60,032.10 and 18,972.45

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Solution

The fourth proportional to 40,045.56, 60,032.10 and 18,972.45 is: 28,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.56 : 60,032.10 = 18,972.45 : x
  2. Step 2: Convert to fraction form
    40,045.56/60,032.10 = 18,972.45/x
  3. Step 3: Cross multiply
    40,045.56x = 60,032.10 × 18,972.45
  4. Step 4: Simplify right side
    40,045.56x = 1,138,956,015.65
  5. Step 5: Solve for x
    x = 1,138,956,015.65/40,045.56
  6. Step 6: Final answer
    x = 28,441.51

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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.