Home / 51,025.39-70,412.85-28,364.34

Finding the Fourth Proportional to 51,025.39, 70,412.85 and 28,364.34

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Solution

The fourth proportional to 51,025.39, 70,412.85 and 28,364.34 is: 39,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.39 : 70,412.85 = 28,364.34 : x
  2. Step 2: Convert to fraction form
    51,025.39/70,412.85 = 28,364.34/x
  3. Step 3: Cross multiply
    51,025.39x = 70,412.85 × 28,364.34
  4. Step 4: Simplify right side
    51,025.39x = 1,997,214,017.77
  5. Step 5: Solve for x
    x = 1,997,214,017.77/51,025.39
  6. Step 6: Final answer
    x = 39,141.57

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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.