Home / 34,689.40-47,859.58-19,580.28

Finding the Fourth Proportional to 34,689.40, 47,859.58 and 19,580.28

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Solution

The fourth proportional to 34,689.40, 47,859.58 and 19,580.28 is: 27,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.40 : 47,859.58 = 19,580.28 : x
  2. Step 2: Convert to fraction form
    34,689.40/47,859.58 = 19,580.28/x
  3. Step 3: Cross multiply
    34,689.40x = 47,859.58 × 19,580.28
  4. Step 4: Simplify right side
    34,689.40x = 937,103,977.08
  5. Step 5: Solve for x
    x = 937,103,977.08/34,689.40
  6. Step 6: Final answer
    x = 27,014.13

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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.