Home / 52,296.31-78,444.47-21,153.43

Finding the Fourth Proportional to 52,296.31, 78,444.47 and 21,153.43

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Solution

The fourth proportional to 52,296.31, 78,444.47 and 21,153.43 is: 31,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.31 : 78,444.47 = 21,153.43 : x
  2. Step 2: Convert to fraction form
    52,296.31/78,444.47 = 21,153.43/x
  3. Step 3: Cross multiply
    52,296.31x = 78,444.47 × 21,153.43
  4. Step 4: Simplify right side
    52,296.31x = 1,659,369,605.03
  5. Step 5: Solve for x
    x = 1,659,369,605.03/52,296.31
  6. Step 6: Final answer
    x = 31,730.15

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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.