Home / 55,804.08-77,013.40-30,653.84

Finding the Fourth Proportional to 55,804.08, 77,013.40 and 30,653.84

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Solution

The fourth proportional to 55,804.08, 77,013.40 and 30,653.84 is: 42,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,804.08 : 77,013.40 = 30,653.84 : x
  2. Step 2: Convert to fraction form
    55,804.08/77,013.40 = 30,653.84/x
  3. Step 3: Cross multiply
    55,804.08x = 77,013.40 × 30,653.84
  4. Step 4: Simplify right side
    55,804.08x = 2,360,756,441.46
  5. Step 5: Solve for x
    x = 2,360,756,441.46/55,804.08
  6. Step 6: Final answer
    x = 42,304.37

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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.