Home / 56,510.16-84,732.42-21,430.68

Finding the Fourth Proportional to 56,510.16, 84,732.42 and 21,430.68

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Solution

The fourth proportional to 56,510.16, 84,732.42 and 21,430.68 is: 32,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510.16 : 84,732.42 = 21,430.68 : x
  2. Step 2: Convert to fraction form
    56,510.16/84,732.42 = 21,430.68/x
  3. Step 3: Cross multiply
    56,510.16x = 84,732.42 × 21,430.68
  4. Step 4: Simplify right side
    56,510.16x = 1,815,873,378.65
  5. Step 5: Solve for x
    x = 1,815,873,378.65/56,510.16
  6. Step 6: Final answer
    x = 32,133.57

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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.