Home / 29,342.58-40,510.31-19,287.86

Finding the Fourth Proportional to 29,342.58, 40,510.31 and 19,287.86

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Solution

The fourth proportional to 29,342.58, 40,510.31 and 19,287.86 is: 26,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.58 : 40,510.31 = 19,287.86 : x
  2. Step 2: Convert to fraction form
    29,342.58/40,510.31 = 19,287.86/x
  3. Step 3: Cross multiply
    29,342.58x = 40,510.31 × 19,287.86
  4. Step 4: Simplify right side
    29,342.58x = 781,356,888.85
  5. Step 5: Solve for x
    x = 781,356,888.85/29,342.58
  6. Step 6: Final answer
    x = 26,628.77

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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.