Home / 52,267.68-72,122.40-31,039.20

Finding the Fourth Proportional to 52,267.68, 72,122.40 and 31,039.20

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Solution

The fourth proportional to 52,267.68, 72,122.40 and 31,039.20 is: 42,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.68 : 72,122.40 = 31,039.20 : x
  2. Step 2: Convert to fraction form
    52,267.68/72,122.40 = 31,039.20/x
  3. Step 3: Cross multiply
    52,267.68x = 72,122.40 × 31,039.20
  4. Step 4: Simplify right side
    52,267.68x = 2,238,621,598.08
  5. Step 5: Solve for x
    x = 2,238,621,598.08/52,267.68
  6. Step 6: Final answer
    x = 42,829.94

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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.