Home / 42,328.76-63,492.60-14,255

Finding the Fourth Proportional to 42,328.76, 63,492.60 and 14,255

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Solution

The fourth proportional to 42,328.76, 63,492.60 and 14,255 is: 21,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,328.76 : 63,492.60 = 14,255 : x
  2. Step 2: Convert to fraction form
    42,328.76/63,492.60 = 14,255/x
  3. Step 3: Cross multiply
    42,328.76x = 63,492.60 × 14,255
  4. Step 4: Simplify right side
    42,328.76x = 905,087,013
  5. Step 5: Solve for x
    x = 905,087,013/42,328.76
  6. Step 6: Final answer
    x = 21,382.32

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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.