Home / 55,491.71-76,578.86-30,341.21

Finding the Fourth Proportional to 55,491.71, 76,578.86 and 30,341.21

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Solution

The fourth proportional to 55,491.71, 76,578.86 and 30,341.21 is: 41,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.71 : 76,578.86 = 30,341.21 : x
  2. Step 2: Convert to fraction form
    55,491.71/76,578.86 = 30,341.21/x
  3. Step 3: Cross multiply
    55,491.71x = 76,578.86 × 30,341.21
  4. Step 4: Simplify right side
    55,491.71x = 2,323,495,121.11
  5. Step 5: Solve for x
    x = 2,323,495,121.11/55,491.71
  6. Step 6: Final answer
    x = 41,871.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.