Home / 56,603.27-84,867.63-31,680.11

Finding the Fourth Proportional to 56,603.27, 84,867.63 and 31,680.11

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Solution

The fourth proportional to 56,603.27, 84,867.63 and 31,680.11 is: 47,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,603.27 : 84,867.63 = 31,680.11 : x
  2. Step 2: Convert to fraction form
    56,603.27/84,867.63 = 31,680.11/x
  3. Step 3: Cross multiply
    56,603.27x = 84,867.63 × 31,680.11
  4. Step 4: Simplify right side
    56,603.27x = 2,688,615,853.84
  5. Step 5: Solve for x
    x = 2,688,615,853.84/56,603.27
  6. Step 6: Final answer
    x = 47,499.30

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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.