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Finding the Fourth Proportional to 52,803.63, 72,828.99 and 33,689.25

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Solution

The fourth proportional to 52,803.63, 72,828.99 and 33,689.25 is: 46,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.63 : 72,828.99 = 33,689.25 : x
  2. Step 2: Convert to fraction form
    52,803.63/72,828.99 = 33,689.25/x
  3. Step 3: Cross multiply
    52,803.63x = 72,828.99 × 33,689.25
  4. Step 4: Simplify right side
    52,803.63x = 2,453,554,051.36
  5. Step 5: Solve for x
    x = 2,453,554,051.36/52,803.63
  6. Step 6: Final answer
    x = 46,465.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.