Home / 42,450.30-63,675.45-12,866.67

Finding the Fourth Proportional to 42,450.30, 63,675.45 and 12,866.67

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Solution

The fourth proportional to 42,450.30, 63,675.45 and 12,866.67 is: 19,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.30 : 63,675.45 = 12,866.67 : x
  2. Step 2: Convert to fraction form
    42,450.30/63,675.45 = 12,866.67/x
  3. Step 3: Cross multiply
    42,450.30x = 63,675.45 × 12,866.67
  4. Step 4: Simplify right side
    42,450.30x = 819,291,002.25
  5. Step 5: Solve for x
    x = 819,291,002.25/42,450.30
  6. Step 6: Final answer
    x = 19,300.01

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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.