Home / 34,700.64-47,886.87-18,785.07

Finding the Fourth Proportional to 34,700.64, 47,886.87 and 18,785.07

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Solution

The fourth proportional to 34,700.64, 47,886.87 and 18,785.07 is: 25,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.64 : 47,886.87 = 18,785.07 : x
  2. Step 2: Convert to fraction form
    34,700.64/47,886.87 = 18,785.07/x
  3. Step 3: Cross multiply
    34,700.64x = 47,886.87 × 18,785.07
  4. Step 4: Simplify right side
    34,700.64x = 899,558,254.30
  5. Step 5: Solve for x
    x = 899,558,254.30/34,700.64
  6. Step 6: Final answer
    x = 25,923.39

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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.