Home / 47,012.52-64,867.14-27,129

Finding the Fourth Proportional to 47,012.52, 64,867.14 and 27,129

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Solution

The fourth proportional to 47,012.52, 64,867.14 and 27,129 is: 37,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.52 : 64,867.14 = 27,129 : x
  2. Step 2: Convert to fraction form
    47,012.52/64,867.14 = 27,129/x
  3. Step 3: Cross multiply
    47,012.52x = 64,867.14 × 27,129
  4. Step 4: Simplify right side
    47,012.52x = 1,759,780,641.06
  5. Step 5: Solve for x
    x = 1,759,780,641.06/47,012.52
  6. Step 6: Final answer
    x = 37,432.17

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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.