Home / 53,298.75-79,942.46-28,312.28

Finding the Fourth Proportional to 53,298.75, 79,942.46 and 28,312.28

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Solution

The fourth proportional to 53,298.75, 79,942.46 and 28,312.28 is: 42,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.75 : 79,942.46 = 28,312.28 : x
  2. Step 2: Convert to fraction form
    53,298.75/79,942.46 = 28,312.28/x
  3. Step 3: Cross multiply
    53,298.75x = 79,942.46 × 28,312.28
  4. Step 4: Simplify right side
    53,298.75x = 2,263,352,770.14
  5. Step 5: Solve for x
    x = 2,263,352,770.14/53,298.75
  6. Step 6: Final answer
    x = 42,465.40

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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.