Home / 42,628.77-63,944.37-13,045.95

Finding the Fourth Proportional to 42,628.77, 63,944.37 and 13,045.95

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Solution

The fourth proportional to 42,628.77, 63,944.37 and 13,045.95 is: 19,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.77 : 63,944.37 = 13,045.95 : x
  2. Step 2: Convert to fraction form
    42,628.77/63,944.37 = 13,045.95/x
  3. Step 3: Cross multiply
    42,628.77x = 63,944.37 × 13,045.95
  4. Step 4: Simplify right side
    42,628.77x = 834,215,053.80
  5. Step 5: Solve for x
    x = 834,215,053.80/42,628.77
  6. Step 6: Final answer
    x = 19,569.30

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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.