Home / 42,053.37-63,080.30-12,471.45

Finding the Fourth Proportional to 42,053.37, 63,080.30 and 12,471.45

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Solution

The fourth proportional to 42,053.37, 63,080.30 and 12,471.45 is: 18,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.37 : 63,080.30 = 12,471.45 : x
  2. Step 2: Convert to fraction form
    42,053.37/63,080.30 = 12,471.45/x
  3. Step 3: Cross multiply
    42,053.37x = 63,080.30 × 12,471.45
  4. Step 4: Simplify right side
    42,053.37x = 786,702,429.68
  5. Step 5: Solve for x
    x = 786,702,429.68/42,053.37
  6. Step 6: Final answer
    x = 18,707.24

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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.