Home / 56,515.42-77,995.02-31,364.92

Finding the Fourth Proportional to 56,515.42, 77,995.02 and 31,364.92

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Solution

The fourth proportional to 56,515.42, 77,995.02 and 31,364.92 is: 43,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515.42 : 77,995.02 = 31,364.92 : x
  2. Step 2: Convert to fraction form
    56,515.42/77,995.02 = 31,364.92/x
  3. Step 3: Cross multiply
    56,515.42x = 77,995.02 × 31,364.92
  4. Step 4: Simplify right side
    56,515.42x = 2,446,307,562.70
  5. Step 5: Solve for x
    x = 2,446,307,562.70/56,515.42
  6. Step 6: Final answer
    x = 43,285.67

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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.