Home / 51,023.86-70,417.37-28,367.29

Finding the Fourth Proportional to 51,023.86, 70,417.37 and 28,367.29

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Solution

The fourth proportional to 51,023.86, 70,417.37 and 28,367.29 is: 39,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.86 : 70,417.37 = 28,367.29 : x
  2. Step 2: Convert to fraction form
    51,023.86/70,417.37 = 28,367.29/x
  3. Step 3: Cross multiply
    51,023.86x = 70,417.37 × 28,367.29
  4. Step 4: Simplify right side
    51,023.86x = 1,997,549,955.83
  5. Step 5: Solve for x
    x = 1,997,549,955.83/51,023.86
  6. Step 6: Final answer
    x = 39,149.33

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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.