Home / 52,211.28-72,051.64-28,337.96

Finding the Fourth Proportional to 52,211.28, 72,051.64 and 28,337.96

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Solution

The fourth proportional to 52,211.28, 72,051.64 and 28,337.96 is: 39,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.28 : 72,051.64 = 28,337.96 : x
  2. Step 2: Convert to fraction form
    52,211.28/72,051.64 = 28,337.96/x
  3. Step 3: Cross multiply
    52,211.28x = 72,051.64 × 28,337.96
  4. Step 4: Simplify right side
    52,211.28x = 2,041,796,196.25
  5. Step 5: Solve for x
    x = 2,041,796,196.25/52,211.28
  6. Step 6: Final answer
    x = 39,106.42

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1.5x scale

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.