Home / 35,878.20-53,810.82-13,686.63

Finding the Fourth Proportional to 35,878.20, 53,810.82 and 13,686.63

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Solution

The fourth proportional to 35,878.20, 53,810.82 and 13,686.63 is: 20,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.20 : 53,810.82 = 13,686.63 : x
  2. Step 2: Convert to fraction form
    35,878.20/53,810.82 = 13,686.63/x
  3. Step 3: Cross multiply
    35,878.20x = 53,810.82 × 13,686.63
  4. Step 4: Simplify right side
    35,878.20x = 736,488,783.34
  5. Step 5: Solve for x
    x = 736,488,783.34/35,878.20
  6. Step 6: Final answer
    x = 20,527.47

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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.