Home / 55,387.49-76,432.06-31,511.93

Finding the Fourth Proportional to 55,387.49, 76,432.06 and 31,511.93

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Solution

The fourth proportional to 55,387.49, 76,432.06 and 31,511.93 is: 43,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.49 : 76,432.06 = 31,511.93 : x
  2. Step 2: Convert to fraction form
    55,387.49/76,432.06 = 31,511.93/x
  3. Step 3: Cross multiply
    55,387.49x = 76,432.06 × 31,511.93
  4. Step 4: Simplify right side
    55,387.49x = 2,408,521,724.48
  5. Step 5: Solve for x
    x = 2,408,521,724.48/55,387.49
  6. Step 6: Final answer
    x = 43,484.94

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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.