Home / 47,698.06-65,785.75-42,252.95

Finding the Fourth Proportional to 47,698.06, 65,785.75 and 42,252.95

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Solution

The fourth proportional to 47,698.06, 65,785.75 and 42,252.95 is: 58,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.06 : 65,785.75 = 42,252.95 : x
  2. Step 2: Convert to fraction form
    47,698.06/65,785.75 = 42,252.95/x
  3. Step 3: Cross multiply
    47,698.06x = 65,785.75 × 42,252.95
  4. Step 4: Simplify right side
    47,698.06x = 2,779,642,005.46
  5. Step 5: Solve for x
    x = 2,779,642,005.46/47,698.06
  6. Step 6: Final answer
    x = 58,275.79

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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.