Home / 42,120.47-63,176.37-14,037.50

Finding the Fourth Proportional to 42,120.47, 63,176.37 and 14,037.50

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Solution

The fourth proportional to 42,120.47, 63,176.37 and 14,037.50 is: 21,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.47 : 63,176.37 = 14,037.50 : x
  2. Step 2: Convert to fraction form
    42,120.47/63,176.37 = 14,037.50/x
  3. Step 3: Cross multiply
    42,120.47x = 63,176.37 × 14,037.50
  4. Step 4: Simplify right side
    42,120.47x = 886,837,977.99
  5. Step 5: Solve for x
    x = 886,837,977.99/42,120.47
  6. Step 6: Final answer
    x = 21,054.80

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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.