Home / 35,335.04-48,763.20-19,421

Finding the Fourth Proportional to 35,335.04, 48,763.20 and 19,421

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Solution

The fourth proportional to 35,335.04, 48,763.20 and 19,421 is: 26,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.04 : 48,763.20 = 19,421 : x
  2. Step 2: Convert to fraction form
    35,335.04/48,763.20 = 19,421/x
  3. Step 3: Cross multiply
    35,335.04x = 48,763.20 × 19,421
  4. Step 4: Simplify right side
    35,335.04x = 947,030,107.20
  5. Step 5: Solve for x
    x = 947,030,107.20/35,335.04
  6. Step 6: Final answer
    x = 26,801.44

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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.