Home / 34,247.07-47,258.64-19,138.95

Finding the Fourth Proportional to 34,247.07, 47,258.64 and 19,138.95

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Solution

The fourth proportional to 34,247.07, 47,258.64 and 19,138.95 is: 26,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.07 : 47,258.64 = 19,138.95 : x
  2. Step 2: Convert to fraction form
    34,247.07/47,258.64 = 19,138.95/x
  3. Step 3: Cross multiply
    34,247.07x = 47,258.64 × 19,138.95
  4. Step 4: Simplify right side
    34,247.07x = 904,480,748.03
  5. Step 5: Solve for x
    x = 904,480,748.03/34,247.07
  6. Step 6: Final answer
    x = 26,410.46

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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.