Home / 39,390.64-59,036.04-38,974

Finding the Fourth Proportional to 39,390.64, 59,036.04 and 38,974

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Solution

The fourth proportional to 39,390.64, 59,036.04 and 38,974 is: 58,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.64 : 59,036.04 = 38,974 : x
  2. Step 2: Convert to fraction form
    39,390.64/59,036.04 = 38,974/x
  3. Step 3: Cross multiply
    39,390.64x = 59,036.04 × 38,974
  4. Step 4: Simplify right side
    39,390.64x = 2,300,870,622.96
  5. Step 5: Solve for x
    x = 2,300,870,622.96/39,390.64
  6. Step 6: Final answer
    x = 58,411.61

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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.