Home / 35,354.90-53,018.46-12,860.24

Finding the Fourth Proportional to 35,354.90, 53,018.46 and 12,860.24

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Solution

The fourth proportional to 35,354.90, 53,018.46 and 12,860.24 is: 19,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.90 : 53,018.46 = 12,860.24 : x
  2. Step 2: Convert to fraction form
    35,354.90/53,018.46 = 12,860.24/x
  3. Step 3: Cross multiply
    35,354.90x = 53,018.46 × 12,860.24
  4. Step 4: Simplify right side
    35,354.90x = 681,829,854.94
  5. Step 5: Solve for x
    x = 681,829,854.94/35,354.90
  6. Step 6: Final answer
    x = 19,285.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.