Home / 53,018.70-79,528.05-40,577.10

Finding the Fourth Proportional to 53,018.70, 79,528.05 and 40,577.10

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Solution

The fourth proportional to 53,018.70, 79,528.05 and 40,577.10 is: 60,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.70 : 79,528.05 = 40,577.10 : x
  2. Step 2: Convert to fraction form
    53,018.70/79,528.05 = 40,577.10/x
  3. Step 3: Cross multiply
    53,018.70x = 79,528.05 × 40,577.10
  4. Step 4: Simplify right side
    53,018.70x = 3,227,017,637.66
  5. Step 5: Solve for x
    x = 3,227,017,637.66/53,018.70
  6. Step 6: Final answer
    x = 60,865.65

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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.