Home / 52,142.40-78,210.24-22,539.36

Finding the Fourth Proportional to 52,142.40, 78,210.24 and 22,539.36

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Solution

The fourth proportional to 52,142.40, 78,210.24 and 22,539.36 is: 33,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.40 : 78,210.24 = 22,539.36 : x
  2. Step 2: Convert to fraction form
    52,142.40/78,210.24 = 22,539.36/x
  3. Step 3: Cross multiply
    52,142.40x = 78,210.24 × 22,539.36
  4. Step 4: Simplify right side
    52,142.40x = 1,762,808,755.05
  5. Step 5: Solve for x
    x = 1,762,808,755.05/52,142.40
  6. Step 6: Final answer
    x = 33,807.59

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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.