Home / 70,043.20-96,655.84-39,824.35

Finding the Fourth Proportional to 70,043.20, 96,655.84 and 39,824.35

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Solution

The fourth proportional to 70,043.20, 96,655.84 and 39,824.35 is: 54,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,043.20 : 96,655.84 = 39,824.35 : x
  2. Step 2: Convert to fraction form
    70,043.20/96,655.84 = 39,824.35/x
  3. Step 3: Cross multiply
    70,043.20x = 96,655.84 × 39,824.35
  4. Step 4: Simplify right side
    70,043.20x = 3,849,256,001.70
  5. Step 5: Solve for x
    x = 3,849,256,001.70/70,043.20
  6. Step 6: Final answer
    x = 54,955.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.