Home / 45,730.78-63,106.86-25,312.88

Finding the Fourth Proportional to 45,730.78, 63,106.86 and 25,312.88

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Solution

The fourth proportional to 45,730.78, 63,106.86 and 25,312.88 is: 34,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.78 : 63,106.86 = 25,312.88 : x
  2. Step 2: Convert to fraction form
    45,730.78/63,106.86 = 25,312.88/x
  3. Step 3: Cross multiply
    45,730.78x = 63,106.86 × 25,312.88
  4. Step 4: Simplify right side
    45,730.78x = 1,597,416,532.12
  5. Step 5: Solve for x
    x = 1,597,416,532.12/45,730.78
  6. Step 6: Final answer
    x = 34,930.89

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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.