Home / 45,050.71-67,510.45-21,649.81

Finding the Fourth Proportional to 45,050.71, 67,510.45 and 21,649.81

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Solution

The fourth proportional to 45,050.71, 67,510.45 and 21,649.81 is: 32,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,050.71 : 67,510.45 = 21,649.81 : x
  2. Step 2: Convert to fraction form
    45,050.71/67,510.45 = 21,649.81/x
  3. Step 3: Cross multiply
    45,050.71x = 67,510.45 × 21,649.81
  4. Step 4: Simplify right side
    45,050.71x = 1,461,588,273.80
  5. Step 5: Solve for x
    x = 1,461,588,273.80/45,050.71
  6. Step 6: Final answer
    x = 32,443.18

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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.