Home / 42,350.73-63,526.37-12,768.45

Finding the Fourth Proportional to 42,350.73, 63,526.37 and 12,768.45

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Solution

The fourth proportional to 42,350.73, 63,526.37 and 12,768.45 is: 19,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,350.73 : 63,526.37 = 12,768.45 : x
  2. Step 2: Convert to fraction form
    42,350.73/63,526.37 = 12,768.45/x
  3. Step 3: Cross multiply
    42,350.73x = 63,526.37 × 12,768.45
  4. Step 4: Simplify right side
    42,350.73x = 811,133,215.18
  5. Step 5: Solve for x
    x = 811,133,215.18/42,350.73
  6. Step 6: Final answer
    x = 19,152.76

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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.