Home / 52,665.04-78,997.64-21,089.32

Finding the Fourth Proportional to 52,665.04, 78,997.64 and 21,089.32

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Solution

The fourth proportional to 52,665.04, 78,997.64 and 21,089.32 is: 31,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.04 : 78,997.64 = 21,089.32 : x
  2. Step 2: Convert to fraction form
    52,665.04/78,997.64 = 21,089.32/x
  3. Step 3: Cross multiply
    52,665.04x = 78,997.64 × 21,089.32
  4. Step 4: Simplify right side
    52,665.04x = 1,666,006,509.20
  5. Step 5: Solve for x
    x = 1,666,006,509.20/52,665.04
  6. Step 6: Final answer
    x = 31,634.01

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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.