Home / 51,106.60-70,525.38-28,746.28

Finding the Fourth Proportional to 51,106.60, 70,525.38 and 28,746.28

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Solution

The fourth proportional to 51,106.60, 70,525.38 and 28,746.28 is: 39,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.60 : 70,525.38 = 28,746.28 : x
  2. Step 2: Convert to fraction form
    51,106.60/70,525.38 = 28,746.28/x
  3. Step 3: Cross multiply
    51,106.60x = 70,525.38 × 28,746.28
  4. Step 4: Simplify right side
    51,106.60x = 2,027,342,320.59
  5. Step 5: Solve for x
    x = 2,027,342,320.59/51,106.60
  6. Step 6: Final answer
    x = 39,668.89

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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.