Home / 56,406.84-77,841.90-31,256.76

Finding the Fourth Proportional to 56,406.84, 77,841.90 and 31,256.76

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Solution

The fourth proportional to 56,406.84, 77,841.90 and 31,256.76 is: 43,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.84 : 77,841.90 = 31,256.76 : x
  2. Step 2: Convert to fraction form
    56,406.84/77,841.90 = 31,256.76/x
  3. Step 3: Cross multiply
    56,406.84x = 77,841.90 × 31,256.76
  4. Step 4: Simplify right side
    56,406.84x = 2,433,085,586.24
  5. Step 5: Solve for x
    x = 2,433,085,586.24/56,406.84
  6. Step 6: Final answer
    x = 43,134.58

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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.