Home / 52,254.27-78,381.05-21,089.07

Finding the Fourth Proportional to 52,254.27, 78,381.05 and 21,089.07

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Solution

The fourth proportional to 52,254.27, 78,381.05 and 21,089.07 is: 31,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.27 : 78,381.05 = 21,089.07 : x
  2. Step 2: Convert to fraction form
    52,254.27/78,381.05 = 21,089.07/x
  3. Step 3: Cross multiply
    52,254.27x = 78,381.05 × 21,089.07
  4. Step 4: Simplify right side
    52,254.27x = 1,652,983,344.68
  5. Step 5: Solve for x
    x = 1,652,983,344.68/52,254.27
  6. Step 6: Final answer
    x = 31,633.46

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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.