Home / 51,126.57-70,554.11-28,465.07

Finding the Fourth Proportional to 51,126.57, 70,554.11 and 28,465.07

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Solution

The fourth proportional to 51,126.57, 70,554.11 and 28,465.07 is: 39,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.57 : 70,554.11 = 28,465.07 : x
  2. Step 2: Convert to fraction form
    51,126.57/70,554.11 = 28,465.07/x
  3. Step 3: Cross multiply
    51,126.57x = 70,554.11 × 28,465.07
  4. Step 4: Simplify right side
    51,126.57x = 2,008,327,184.84
  5. Step 5: Solve for x
    x = 2,008,327,184.84/51,126.57
  6. Step 6: Final answer
    x = 39,281.48

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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.