Home / 53,389.78-73,676.80-29,515.93

Finding the Fourth Proportional to 53,389.78, 73,676.80 and 29,515.93

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Solution

The fourth proportional to 53,389.78, 73,676.80 and 29,515.93 is: 40,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.78 : 73,676.80 = 29,515.93 : x
  2. Step 2: Convert to fraction form
    53,389.78/73,676.80 = 29,515.93/x
  3. Step 3: Cross multiply
    53,389.78x = 73,676.80 × 29,515.93
  4. Step 4: Simplify right side
    53,389.78x = 2,174,639,271.42
  5. Step 5: Solve for x
    x = 2,174,639,271.42/53,389.78
  6. Step 6: Final answer
    x = 40,731.38

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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.