Home / 53,417.21-73,712.76-29,213.36

Finding the Fourth Proportional to 53,417.21, 73,712.76 and 29,213.36

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Solution

The fourth proportional to 53,417.21, 73,712.76 and 29,213.36 is: 40,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.21 : 73,712.76 = 29,213.36 : x
  2. Step 2: Convert to fraction form
    53,417.21/73,712.76 = 29,213.36/x
  3. Step 3: Cross multiply
    53,417.21x = 73,712.76 × 29,213.36
  4. Step 4: Simplify right side
    53,417.21x = 2,153,397,394.47
  5. Step 5: Solve for x
    x = 2,153,397,394.47/53,417.21
  6. Step 6: Final answer
    x = 40,312.80

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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.