Home / 56,450.40-77,889.84-31,294.56

Finding the Fourth Proportional to 56,450.40, 77,889.84 and 31,294.56

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Solution

The fourth proportional to 56,450.40, 77,889.84 and 31,294.56 is: 43,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.40 : 77,889.84 = 31,294.56 : x
  2. Step 2: Convert to fraction form
    56,450.40/77,889.84 = 31,294.56/x
  3. Step 3: Cross multiply
    56,450.40x = 77,889.84 × 31,294.56
  4. Step 4: Simplify right side
    56,450.40x = 2,437,528,271.27
  5. Step 5: Solve for x
    x = 2,437,528,271.27/56,450.40
  6. Step 6: Final answer
    x = 43,180.00

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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.