Home / 55,478.63-76,560.51-30,328.13

Finding the Fourth Proportional to 55,478.63, 76,560.51 and 30,328.13

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Solution

The fourth proportional to 55,478.63, 76,560.51 and 30,328.13 is: 41,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.63 : 76,560.51 = 30,328.13 : x
  2. Step 2: Convert to fraction form
    55,478.63/76,560.51 = 30,328.13/x
  3. Step 3: Cross multiply
    55,478.63x = 76,560.51 × 30,328.13
  4. Step 4: Simplify right side
    55,478.63x = 2,321,936,717.34
  5. Step 5: Solve for x
    x = 2,321,936,717.34/55,478.63
  6. Step 6: Final answer
    x = 41,852.82

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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.