Home / 42,752.04-64,128.54-13,169.64

Finding the Fourth Proportional to 42,752.04, 64,128.54 and 13,169.64

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Solution

The fourth proportional to 42,752.04, 64,128.54 and 13,169.64 is: 19,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.04 : 64,128.54 = 13,169.64 : x
  2. Step 2: Convert to fraction form
    42,752.04/64,128.54 = 13,169.64/x
  3. Step 3: Cross multiply
    42,752.04x = 64,128.54 × 13,169.64
  4. Step 4: Simplify right side
    42,752.04x = 844,549,785.53
  5. Step 5: Solve for x
    x = 844,549,785.53/42,752.04
  6. Step 6: Final answer
    x = 19,754.61

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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.