Home / 55,007.34-75,903.80-30,804.92

Finding the Fourth Proportional to 55,007.34, 75,903.80 and 30,804.92

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Solution

The fourth proportional to 55,007.34, 75,903.80 and 30,804.92 is: 42,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.34 : 75,903.80 = 30,804.92 : x
  2. Step 2: Convert to fraction form
    55,007.34/75,903.80 = 30,804.92/x
  3. Step 3: Cross multiply
    55,007.34x = 75,903.80 × 30,804.92
  4. Step 4: Simplify right side
    55,007.34x = 2,338,210,486.70
  5. Step 5: Solve for x
    x = 2,338,210,486.70/55,007.34
  6. Step 6: Final answer
    x = 42,507.25

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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.