Home / 47,980.10-66,212.65-26,760.74

Finding the Fourth Proportional to 47,980.10, 66,212.65 and 26,760.74

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Solution

The fourth proportional to 47,980.10, 66,212.65 and 26,760.74 is: 36,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.10 : 66,212.65 = 26,760.74 : x
  2. Step 2: Convert to fraction form
    47,980.10/66,212.65 = 26,760.74/x
  3. Step 3: Cross multiply
    47,980.10x = 66,212.65 × 26,760.74
  4. Step 4: Simplify right side
    47,980.10x = 1,771,899,113.40
  5. Step 5: Solve for x
    x = 1,771,899,113.40/47,980.10
  6. Step 6: Final answer
    x = 36,929.88

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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.