Home / 53,676.11-74,075.34-29,802.78

Finding the Fourth Proportional to 53,676.11, 74,075.34 and 29,802.78

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Solution

The fourth proportional to 53,676.11, 74,075.34 and 29,802.78 is: 41,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.11 : 74,075.34 = 29,802.78 : x
  2. Step 2: Convert to fraction form
    53,676.11/74,075.34 = 29,802.78/x
  3. Step 3: Cross multiply
    53,676.11x = 74,075.34 × 29,802.78
  4. Step 4: Simplify right side
    53,676.11x = 2,207,651,061.45
  5. Step 5: Solve for x
    x = 2,207,651,061.45/53,676.11
  6. Step 6: Final answer
    x = 41,129.12

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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.