Home / 42,977.26-64,423.45-18,024.40

Finding the Fourth Proportional to 42,977.26, 64,423.45 and 18,024.40

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Solution

The fourth proportional to 42,977.26, 64,423.45 and 18,024.40 is: 27,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.26 : 64,423.45 = 18,024.40 : x
  2. Step 2: Convert to fraction form
    42,977.26/64,423.45 = 18,024.40/x
  3. Step 3: Cross multiply
    42,977.26x = 64,423.45 × 18,024.40
  4. Step 4: Simplify right side
    42,977.26x = 1,161,194,032.18
  5. Step 5: Solve for x
    x = 1,161,194,032.18/42,977.26
  6. Step 6: Final answer
    x = 27,018.80

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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.