Home / 51,107.51-70,527.47-28,445.85

Finding the Fourth Proportional to 51,107.51, 70,527.47 and 28,445.85

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Solution

The fourth proportional to 51,107.51, 70,527.47 and 28,445.85 is: 39,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.51 : 70,527.47 = 28,445.85 : x
  2. Step 2: Convert to fraction form
    51,107.51/70,527.47 = 28,445.85/x
  3. Step 3: Cross multiply
    51,107.51x = 70,527.47 × 28,445.85
  4. Step 4: Simplify right side
    51,107.51x = 2,006,213,690.27
  5. Step 5: Solve for x
    x = 2,006,213,690.27/51,107.51
  6. Step 6: Final answer
    x = 39,254.77

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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.