Home / 34,970.20-48,254.70-19,857.40

Finding the Fourth Proportional to 34,970.20, 48,254.70 and 19,857.40

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Solution

The fourth proportional to 34,970.20, 48,254.70 and 19,857.40 is: 27,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,970.20 : 48,254.70 = 19,857.40 : x
  2. Step 2: Convert to fraction form
    34,970.20/48,254.70 = 19,857.40/x
  3. Step 3: Cross multiply
    34,970.20x = 48,254.70 × 19,857.40
  4. Step 4: Simplify right side
    34,970.20x = 958,212,879.78
  5. Step 5: Solve for x
    x = 958,212,879.78/34,970.20
  6. Step 6: Final answer
    x = 27,400.84

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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.