Home / 42,259.41-63,421.25-15,630.59

Finding the Fourth Proportional to 42,259.41, 63,421.25 and 15,630.59

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Solution

The fourth proportional to 42,259.41, 63,421.25 and 15,630.59 is: 23,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,259.41 : 63,421.25 = 15,630.59 : x
  2. Step 2: Convert to fraction form
    42,259.41/63,421.25 = 15,630.59/x
  3. Step 3: Cross multiply
    42,259.41x = 63,421.25 × 15,630.59
  4. Step 4: Simplify right side
    42,259.41x = 991,311,724.36
  5. Step 5: Solve for x
    x = 991,311,724.36/42,259.41
  6. Step 6: Final answer
    x = 23,457.77

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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.