Home / 53,389.78-73,674.28-29,513.20

Finding the Fourth Proportional to 53,389.78, 73,674.28 and 29,513.20

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Solution

The fourth proportional to 53,389.78, 73,674.28 and 29,513.20 is: 40,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.78 : 73,674.28 = 29,513.20 : x
  2. Step 2: Convert to fraction form
    53,389.78/73,674.28 = 29,513.20/x
  3. Step 3: Cross multiply
    53,389.78x = 73,674.28 × 29,513.20
  4. Step 4: Simplify right side
    53,389.78x = 2,174,363,612.93
  5. Step 5: Solve for x
    x = 2,174,363,612.93/53,389.78
  6. Step 6: Final answer
    x = 40,726.22

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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.