Home / 51,011.88-70,404.75-42,500.51

Finding the Fourth Proportional to 51,011.88, 70,404.75 and 42,500.51

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Solution

The fourth proportional to 51,011.88, 70,404.75 and 42,500.51 is: 58,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.88 : 70,404.75 = 42,500.51 : x
  2. Step 2: Convert to fraction form
    51,011.88/70,404.75 = 42,500.51/x
  3. Step 3: Cross multiply
    51,011.88x = 70,404.75 × 42,500.51
  4. Step 4: Simplify right side
    51,011.88x = 2,992,237,429.40
  5. Step 5: Solve for x
    x = 2,992,237,429.40/51,011.88
  6. Step 6: Final answer
    x = 58,657.66

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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.