Home / 42,350.68-63,509.87-14,263.21

Finding the Fourth Proportional to 42,350.68, 63,509.87 and 14,263.21

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Solution

The fourth proportional to 42,350.68, 63,509.87 and 14,263.21 is: 21,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,350.68 : 63,509.87 = 14,263.21 : x
  2. Step 2: Convert to fraction form
    42,350.68/63,509.87 = 14,263.21/x
  3. Step 3: Cross multiply
    42,350.68x = 63,509.87 × 14,263.21
  4. Step 4: Simplify right side
    42,350.68x = 905,854,370.69
  5. Step 5: Solve for x
    x = 905,854,370.69/42,350.68
  6. Step 6: Final answer
    x = 21,389.37

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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.