Home / 56,302.44-77,698.50-31,152.36

Finding the Fourth Proportional to 56,302.44, 77,698.50 and 31,152.36

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Solution

The fourth proportional to 56,302.44, 77,698.50 and 31,152.36 is: 42,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.44 : 77,698.50 = 31,152.36 : x
  2. Step 2: Convert to fraction form
    56,302.44/77,698.50 = 31,152.36/x
  3. Step 3: Cross multiply
    56,302.44x = 77,698.50 × 31,152.36
  4. Step 4: Simplify right side
    56,302.44x = 2,420,491,643.46
  5. Step 5: Solve for x
    x = 2,420,491,643.46/56,302.44
  6. Step 6: Final answer
    x = 42,990.88

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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.