Home / 53,293.60-73,011.12-51,299.36

Finding the Fourth Proportional to 53,293.60, 73,011.12 and 51,299.36

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Solution

The fourth proportional to 53,293.60, 73,011.12 and 51,299.36 is: 70,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.60 : 73,011.12 = 51,299.36 : x
  2. Step 2: Convert to fraction form
    53,293.60/73,011.12 = 51,299.36/x
  3. Step 3: Cross multiply
    53,293.60x = 73,011.12 × 51,299.36
  4. Step 4: Simplify right side
    53,293.60x = 3,745,423,728.88
  5. Step 5: Solve for x
    x = 3,745,423,728.88/53,293.60
  6. Step 6: Final answer
    x = 70,279.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.