Home / 51,108.51-70,528.84-28,446.85

Finding the Fourth Proportional to 51,108.51, 70,528.84 and 28,446.85

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Solution

The fourth proportional to 51,108.51, 70,528.84 and 28,446.85 is: 39,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.51 : 70,528.84 = 28,446.85 : x
  2. Step 2: Convert to fraction form
    51,108.51/70,528.84 = 28,446.85/x
  3. Step 3: Cross multiply
    51,108.51x = 70,528.84 × 28,446.85
  4. Step 4: Simplify right side
    51,108.51x = 2,006,323,332.15
  5. Step 5: Solve for x
    x = 2,006,323,332.15/51,108.51
  6. Step 6: Final answer
    x = 39,256.15

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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.