Home / 55,685.54-76,903.97-42,804.11

Finding the Fourth Proportional to 55,685.54, 76,903.97 and 42,804.11

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Solution

The fourth proportional to 55,685.54, 76,903.97 and 42,804.11 is: 59,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.54 : 76,903.97 = 42,804.11 : x
  2. Step 2: Convert to fraction form
    55,685.54/76,903.97 = 42,804.11/x
  3. Step 3: Cross multiply
    55,685.54x = 76,903.97 × 42,804.11
  4. Step 4: Simplify right side
    55,685.54x = 3,291,805,969.56
  5. Step 5: Solve for x
    x = 3,291,805,969.56/55,685.54
  6. Step 6: Final answer
    x = 59,114.19

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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.