Home / 53,145.90-73,341.90-29,272.74

Finding the Fourth Proportional to 53,145.90, 73,341.90 and 29,272.74

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Solution

The fourth proportional to 53,145.90, 73,341.90 and 29,272.74 is: 40,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.90 : 73,341.90 = 29,272.74 : x
  2. Step 2: Convert to fraction form
    53,145.90/73,341.90 = 29,272.74/x
  3. Step 3: Cross multiply
    53,145.90x = 73,341.90 × 29,272.74
  4. Step 4: Simplify right side
    53,145.90x = 2,146,918,369.81
  5. Step 5: Solve for x
    x = 2,146,918,369.81/53,145.90
  6. Step 6: Final answer
    x = 40,396.69

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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.