Home / 52,331.36-78,497.06-12,889.24

Finding the Fourth Proportional to 52,331.36, 78,497.06 and 12,889.24

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Solution

The fourth proportional to 52,331.36, 78,497.06 and 12,889.24 is: 19,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,331.36 : 78,497.06 = 12,889.24 : x
  2. Step 2: Convert to fraction form
    52,331.36/78,497.06 = 12,889.24/x
  3. Step 3: Cross multiply
    52,331.36x = 78,497.06 × 12,889.24
  4. Step 4: Simplify right side
    52,331.36x = 1,011,767,445.63
  5. Step 5: Solve for x
    x = 1,011,767,445.63/52,331.36
  6. Step 6: Final answer
    x = 19,333.86

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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.