Home / 38,284.04-57,303.18-20,470.17

Finding the Fourth Proportional to 38,284.04, 57,303.18 and 20,470.17

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Solution

The fourth proportional to 38,284.04, 57,303.18 and 20,470.17 is: 30,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,284.04 : 57,303.18 = 20,470.17 : x
  2. Step 2: Convert to fraction form
    38,284.04/57,303.18 = 20,470.17/x
  3. Step 3: Cross multiply
    38,284.04x = 57,303.18 × 20,470.17
  4. Step 4: Simplify right side
    38,284.04x = 1,173,005,836.14
  5. Step 5: Solve for x
    x = 1,173,005,836.14/38,284.04
  6. Step 6: Final answer
    x = 30,639.56

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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.