Home / 52,520.31-78,784.05-15,077.51

Finding the Fourth Proportional to 52,520.31, 78,784.05 and 15,077.51

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Solution

The fourth proportional to 52,520.31, 78,784.05 and 15,077.51 is: 22,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.31 : 78,784.05 = 15,077.51 : x
  2. Step 2: Convert to fraction form
    52,520.31/78,784.05 = 15,077.51/x
  3. Step 3: Cross multiply
    52,520.31x = 78,784.05 × 15,077.51
  4. Step 4: Simplify right side
    52,520.31x = 1,187,866,907.80
  5. Step 5: Solve for x
    x = 1,187,866,907.80/52,520.31
  6. Step 6: Final answer
    x = 22,617.29

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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.