Home / 53,068.72-79,537.47-26,780.98

Finding the Fourth Proportional to 53,068.72, 79,537.47 and 26,780.98

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Solution

The fourth proportional to 53,068.72, 79,537.47 and 26,780.98 is: 40,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,068.72 : 79,537.47 = 26,780.98 : x
  2. Step 2: Convert to fraction form
    53,068.72/79,537.47 = 26,780.98/x
  3. Step 3: Cross multiply
    53,068.72x = 79,537.47 × 26,780.98
  4. Step 4: Simplify right side
    53,068.72x = 2,130,091,393.32
  5. Step 5: Solve for x
    x = 2,130,091,393.32/53,068.72
  6. Step 6: Final answer
    x = 40,138.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.