Home / 42,727.04-64,034.79-30,920.57

Finding the Fourth Proportional to 42,727.04, 64,034.79 and 30,920.57

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Solution

The fourth proportional to 42,727.04, 64,034.79 and 30,920.57 is: 46,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,727.04 : 64,034.79 = 30,920.57 : x
  2. Step 2: Convert to fraction form
    42,727.04/64,034.79 = 30,920.57/x
  3. Step 3: Cross multiply
    42,727.04x = 64,034.79 × 30,920.57
  4. Step 4: Simplify right side
    42,727.04x = 1,979,992,206.63
  5. Step 5: Solve for x
    x = 1,979,992,206.63/42,727.04
  6. Step 6: Final answer
    x = 46,340.50

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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.