Home / 53,128.17-73,315.89-29,254.32

Finding the Fourth Proportional to 53,128.17, 73,315.89 and 29,254.32

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Solution

The fourth proportional to 53,128.17, 73,315.89 and 29,254.32 is: 40,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.17 : 73,315.89 = 29,254.32 : x
  2. Step 2: Convert to fraction form
    53,128.17/73,315.89 = 29,254.32/x
  3. Step 3: Cross multiply
    53,128.17x = 73,315.89 × 29,254.32
  4. Step 4: Simplify right side
    53,128.17x = 2,144,806,507.14
  5. Step 5: Solve for x
    x = 2,144,806,507.14/53,128.17
  6. Step 6: Final answer
    x = 40,370.42

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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.