Home / 55,400.49-83,100.60-20,340.18

Finding the Fourth Proportional to 55,400.49, 83,100.60 and 20,340.18

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Solution

The fourth proportional to 55,400.49, 83,100.60 and 20,340.18 is: 30,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.49 : 83,100.60 = 20,340.18 : x
  2. Step 2: Convert to fraction form
    55,400.49/83,100.60 = 20,340.18/x
  3. Step 3: Cross multiply
    55,400.49x = 83,100.60 × 20,340.18
  4. Step 4: Simplify right side
    55,400.49x = 1,690,281,162.11
  5. Step 5: Solve for x
    x = 1,690,281,162.11/55,400.49
  6. Step 6: Final answer
    x = 30,510.22

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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.