Home / 53,387.51-73,668.29-29,510.87

Finding the Fourth Proportional to 53,387.51, 73,668.29 and 29,510.87

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Solution

The fourth proportional to 53,387.51, 73,668.29 and 29,510.87 is: 40,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.51 : 73,668.29 = 29,510.87 : x
  2. Step 2: Convert to fraction form
    53,387.51/73,668.29 = 29,510.87/x
  3. Step 3: Cross multiply
    53,387.51x = 73,668.29 × 29,510.87
  4. Step 4: Simplify right side
    53,387.51x = 2,174,014,813.42
  5. Step 5: Solve for x
    x = 2,174,014,813.42/53,387.51
  6. Step 6: Final answer
    x = 40,721.42

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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.