Home / 52,284.96-78,437.16-21,142.08

Finding the Fourth Proportional to 52,284.96, 78,437.16 and 21,142.08

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Solution

The fourth proportional to 52,284.96, 78,437.16 and 21,142.08 is: 31,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,284.96 : 78,437.16 = 21,142.08 : x
  2. Step 2: Convert to fraction form
    52,284.96/78,437.16 = 21,142.08/x
  3. Step 3: Cross multiply
    52,284.96x = 78,437.16 × 21,142.08
  4. Step 4: Simplify right side
    52,284.96x = 1,658,324,711.69
  5. Step 5: Solve for x
    x = 1,658,324,711.69/52,284.96
  6. Step 6: Final answer
    x = 31,717.05

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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.