Home / 56,458.65-84,720.75-21,401.04

Finding the Fourth Proportional to 56,458.65, 84,720.75 and 21,401.04

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Solution

The fourth proportional to 56,458.65, 84,720.75 and 21,401.04 is: 32,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.65 : 84,720.75 = 21,401.04 : x
  2. Step 2: Convert to fraction form
    56,458.65/84,720.75 = 21,401.04/x
  3. Step 3: Cross multiply
    56,458.65x = 84,720.75 × 21,401.04
  4. Step 4: Simplify right side
    56,458.65x = 1,813,112,159.58
  5. Step 5: Solve for x
    x = 1,813,112,159.58/56,458.65
  6. Step 6: Final answer
    x = 32,113.98

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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.