Home / 42,267.18-63,391.59-12,677.07

Finding the Fourth Proportional to 42,267.18, 63,391.59 and 12,677.07

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Solution

The fourth proportional to 42,267.18, 63,391.59 and 12,677.07 is: 19,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.18 : 63,391.59 = 12,677.07 : x
  2. Step 2: Convert to fraction form
    42,267.18/63,391.59 = 12,677.07/x
  3. Step 3: Cross multiply
    42,267.18x = 63,391.59 × 12,677.07
  4. Step 4: Simplify right side
    42,267.18x = 803,619,623.84
  5. Step 5: Solve for x
    x = 803,619,623.84/42,267.18
  6. Step 6: Final answer
    x = 19,012.85

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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.