Home / 53,218.74-73,438.92-29,341.32

Finding the Fourth Proportional to 53,218.74, 73,438.92 and 29,341.32

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Solution

The fourth proportional to 53,218.74, 73,438.92 and 29,341.32 is: 40,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.74 : 73,438.92 = 29,341.32 : x
  2. Step 2: Convert to fraction form
    53,218.74/73,438.92 = 29,341.32/x
  3. Step 3: Cross multiply
    53,218.74x = 73,438.92 × 29,341.32
  4. Step 4: Simplify right side
    53,218.74x = 2,154,794,852.17
  5. Step 5: Solve for x
    x = 2,154,794,852.17/53,218.74
  6. Step 6: Final answer
    x = 40,489.40

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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.