Home / 51,350.36-70,854.85-28,688.48

Finding the Fourth Proportional to 51,350.36, 70,854.85 and 28,688.48

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Solution

The fourth proportional to 51,350.36, 70,854.85 and 28,688.48 is: 39,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.36 : 70,854.85 = 28,688.48 : x
  2. Step 2: Convert to fraction form
    51,350.36/70,854.85 = 28,688.48/x
  3. Step 3: Cross multiply
    51,350.36x = 70,854.85 × 28,688.48
  4. Step 4: Simplify right side
    51,350.36x = 2,032,717,894.42
  5. Step 5: Solve for x
    x = 2,032,717,894.42/51,350.36
  6. Step 6: Final answer
    x = 39,585.27

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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.