Home / 35,505.34-53,211.99-14,420.69

Finding the Fourth Proportional to 35,505.34, 53,211.99 and 14,420.69

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Solution

The fourth proportional to 35,505.34, 53,211.99 and 14,420.69 is: 21,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.34 : 53,211.99 = 14,420.69 : x
  2. Step 2: Convert to fraction form
    35,505.34/53,211.99 = 14,420.69/x
  3. Step 3: Cross multiply
    35,505.34x = 53,211.99 × 14,420.69
  4. Step 4: Simplify right side
    35,505.34x = 767,353,555.93
  5. Step 5: Solve for x
    x = 767,353,555.93/35,505.34
  6. Step 6: Final answer
    x = 21,612.34

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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.