Home / 52,149.52-78,230.40-18,885.28

Finding the Fourth Proportional to 52,149.52, 78,230.40 and 18,885.28

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Solution

The fourth proportional to 52,149.52, 78,230.40 and 18,885.28 is: 28,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.52 : 78,230.40 = 18,885.28 : x
  2. Step 2: Convert to fraction form
    52,149.52/78,230.40 = 18,885.28/x
  3. Step 3: Cross multiply
    52,149.52x = 78,230.40 × 18,885.28
  4. Step 4: Simplify right side
    52,149.52x = 1,477,403,008.51
  5. Step 5: Solve for x
    x = 1,477,403,008.51/52,149.52
  6. Step 6: Final answer
    x = 28,330.14

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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.