Home / 45,013.41-67,534.70-21,636.81

Finding the Fourth Proportional to 45,013.41, 67,534.70 and 21,636.81

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Solution

The fourth proportional to 45,013.41, 67,534.70 and 21,636.81 is: 32,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.41 : 67,534.70 = 21,636.81 : x
  2. Step 2: Convert to fraction form
    45,013.41/67,534.70 = 21,636.81/x
  3. Step 3: Cross multiply
    45,013.41x = 67,534.70 × 21,636.81
  4. Step 4: Simplify right side
    45,013.41x = 1,461,235,364.12
  5. Step 5: Solve for x
    x = 1,461,235,364.12/45,013.41
  6. Step 6: Final answer
    x = 32,462.22

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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.