Home / 46,871.64-70,315.56-20,579.04

Finding the Fourth Proportional to 46,871.64, 70,315.56 and 20,579.04

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Solution

The fourth proportional to 46,871.64, 70,315.56 and 20,579.04 is: 30,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.64 : 70,315.56 = 20,579.04 : x
  2. Step 2: Convert to fraction form
    46,871.64/70,315.56 = 20,579.04/x
  3. Step 3: Cross multiply
    46,871.64x = 70,315.56 × 20,579.04
  4. Step 4: Simplify right side
    46,871.64x = 1,447,026,721.86
  5. Step 5: Solve for x
    x = 1,447,026,721.86/46,871.64
  6. Step 6: Final answer
    x = 30,872.12

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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.