Home / 35,518.80-53,276.11-13,330.31

Finding the Fourth Proportional to 35,518.80, 53,276.11 and 13,330.31

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Solution

The fourth proportional to 35,518.80, 53,276.11 and 13,330.31 is: 19,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.80 : 53,276.11 = 13,330.31 : x
  2. Step 2: Convert to fraction form
    35,518.80/53,276.11 = 13,330.31/x
  3. Step 3: Cross multiply
    35,518.80x = 53,276.11 × 13,330.31
  4. Step 4: Simplify right side
    35,518.80x = 710,187,161.76
  5. Step 5: Solve for x
    x = 710,187,161.76/35,518.80
  6. Step 6: Final answer
    x = 19,994.68

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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.