Home / 56,318.78-77,726.99-36,953.98

Finding the Fourth Proportional to 56,318.78, 77,726.99 and 36,953.98

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Solution

The fourth proportional to 56,318.78, 77,726.99 and 36,953.98 is: 51,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.78 : 77,726.99 = 36,953.98 : x
  2. Step 2: Convert to fraction form
    56,318.78/77,726.99 = 36,953.98/x
  3. Step 3: Cross multiply
    56,318.78x = 77,726.99 × 36,953.98
  4. Step 4: Simplify right side
    56,318.78x = 2,872,321,531.99
  5. Step 5: Solve for x
    x = 2,872,321,531.99/56,318.78
  6. Step 6: Final answer
    x = 51,001.13

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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.