Home / 42,285.33-63,430.98-16,984.86

Finding the Fourth Proportional to 42,285.33, 63,430.98 and 16,984.86

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Solution

The fourth proportional to 42,285.33, 63,430.98 and 16,984.86 is: 25,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.33 : 63,430.98 = 16,984.86 : x
  2. Step 2: Convert to fraction form
    42,285.33/63,430.98 = 16,984.86/x
  3. Step 3: Cross multiply
    42,285.33x = 63,430.98 × 16,984.86
  4. Step 4: Simplify right side
    42,285.33x = 1,077,366,314.96
  5. Step 5: Solve for x
    x = 1,077,366,314.96/42,285.33
  6. Step 6: Final answer
    x = 25,478.49

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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.