Home / 34,763.90-47,970.58-21,335.72

Finding the Fourth Proportional to 34,763.90, 47,970.58 and 21,335.72

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Solution

The fourth proportional to 34,763.90, 47,970.58 and 21,335.72 is: 29,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.90 : 47,970.58 = 21,335.72 : x
  2. Step 2: Convert to fraction form
    34,763.90/47,970.58 = 21,335.72/x
  3. Step 3: Cross multiply
    34,763.90x = 47,970.58 × 21,335.72
  4. Step 4: Simplify right side
    34,763.90x = 1,023,486,863.12
  5. Step 5: Solve for x
    x = 1,023,486,863.12/34,763.90
  6. Step 6: Final answer
    x = 29,441.08

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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.