Home / 47,127.84-65,048.64-29,212.32

Finding the Fourth Proportional to 47,127.84, 65,048.64 and 29,212.32

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Solution

The fourth proportional to 47,127.84, 65,048.64 and 29,212.32 is: 40,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.84 : 65,048.64 = 29,212.32 : x
  2. Step 2: Convert to fraction form
    47,127.84/65,048.64 = 29,212.32/x
  3. Step 3: Cross multiply
    47,127.84x = 65,048.64 × 29,212.32
  4. Step 4: Simplify right side
    47,127.84x = 1,900,221,687.24
  5. Step 5: Solve for x
    x = 1,900,221,687.24/47,127.84
  6. Step 6: Final answer
    x = 40,320.58

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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.