Home / 70,521.24-105,809.52-31,050.66

Finding the Fourth Proportional to 70,521.24, 105,809.52 and 31,050.66

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Solution

The fourth proportional to 70,521.24, 105,809.52 and 31,050.66 is: 46,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,521.24 : 105,809.52 = 31,050.66 : x
  2. Step 2: Convert to fraction form
    70,521.24/105,809.52 = 31,050.66/x
  3. Step 3: Cross multiply
    70,521.24x = 105,809.52 × 31,050.66
  4. Step 4: Simplify right side
    70,521.24x = 3,285,455,430.28
  5. Step 5: Solve for x
    x = 3,285,455,430.28/70,521.24
  6. Step 6: Final answer
    x = 46,588.17

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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.