Home / 42,030.02-63,045.66-12,450.86

Finding the Fourth Proportional to 42,030.02, 63,045.66 and 12,450.86

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Solution

The fourth proportional to 42,030.02, 63,045.66 and 12,450.86 is: 18,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.02 : 63,045.66 = 12,450.86 : x
  2. Step 2: Convert to fraction form
    42,030.02/63,045.66 = 12,450.86/x
  3. Step 3: Cross multiply
    42,030.02x = 63,045.66 × 12,450.86
  4. Step 4: Simplify right side
    42,030.02x = 784,972,686.27
  5. Step 5: Solve for x
    x = 784,972,686.27/42,030.02
  6. Step 6: Final answer
    x = 18,676.48

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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.