Home / 40,412.62-60,580.05-20,700.46

Finding the Fourth Proportional to 40,412.62, 60,580.05 and 20,700.46

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Solution

The fourth proportional to 40,412.62, 60,580.05 and 20,700.46 is: 31,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.62 : 60,580.05 = 20,700.46 : x
  2. Step 2: Convert to fraction form
    40,412.62/60,580.05 = 20,700.46/x
  3. Step 3: Cross multiply
    40,412.62x = 60,580.05 × 20,700.46
  4. Step 4: Simplify right side
    40,412.62x = 1,254,034,901.82
  5. Step 5: Solve for x
    x = 1,254,034,901.82/40,412.62
  6. Step 6: Final answer
    x = 31,030.77

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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.