Home / 42,032.07-63,048.30-12,450.47

Finding the Fourth Proportional to 42,032.07, 63,048.30 and 12,450.47

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Solution

The fourth proportional to 42,032.07, 63,048.30 and 12,450.47 is: 18,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,032.07 : 63,048.30 = 12,450.47 : x
  2. Step 2: Convert to fraction form
    42,032.07/63,048.30 = 12,450.47/x
  3. Step 3: Cross multiply
    42,032.07x = 63,048.30 × 12,450.47
  4. Step 4: Simplify right side
    42,032.07x = 784,980,652.46
  5. Step 5: Solve for x
    x = 784,980,652.46/42,032.07
  6. Step 6: Final answer
    x = 18,675.76

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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.