Home / 56,995.74-85,490.37-15,439.50

Finding the Fourth Proportional to 56,995.74, 85,490.37 and 15,439.50

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Solution

The fourth proportional to 56,995.74, 85,490.37 and 15,439.50 is: 23,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.74 : 85,490.37 = 15,439.50 : x
  2. Step 2: Convert to fraction form
    56,995.74/85,490.37 = 15,439.50/x
  3. Step 3: Cross multiply
    56,995.74x = 85,490.37 × 15,439.50
  4. Step 4: Simplify right side
    56,995.74x = 1,319,928,567.62
  5. Step 5: Solve for x
    x = 1,319,928,567.62/56,995.74
  6. Step 6: Final answer
    x = 23,158.37

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1.5x scale

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.