Home / 53,215.53-73,437.13-29,017.78

Finding the Fourth Proportional to 53,215.53, 73,437.13 and 29,017.78

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Solution

The fourth proportional to 53,215.53, 73,437.13 and 29,017.78 is: 40,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.53 : 73,437.13 = 29,017.78 : x
  2. Step 2: Convert to fraction form
    53,215.53/73,437.13 = 29,017.78/x
  3. Step 3: Cross multiply
    53,215.53x = 73,437.13 × 29,017.78
  4. Step 4: Simplify right side
    53,215.53x = 2,130,982,482.17
  5. Step 5: Solve for x
    x = 2,130,982,482.17/53,215.53
  6. Step 6: Final answer
    x = 40,044.37

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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.