Home / 35,394.40-53,117.20-14,632.80

Finding the Fourth Proportional to 35,394.40, 53,117.20 and 14,632.80

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Solution

The fourth proportional to 35,394.40, 53,117.20 and 14,632.80 is: 21,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.40 : 53,117.20 = 14,632.80 : x
  2. Step 2: Convert to fraction form
    35,394.40/53,117.20 = 14,632.80/x
  3. Step 3: Cross multiply
    35,394.40x = 53,117.20 × 14,632.80
  4. Step 4: Simplify right side
    35,394.40x = 777,253,364.16
  5. Step 5: Solve for x
    x = 777,253,364.16/35,394.40
  6. Step 6: Final answer
    x = 21,959.78

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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.