Home / 42,442.56-63,664.32-14,740.80

Finding the Fourth Proportional to 42,442.56, 63,664.32 and 14,740.80

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Solution

The fourth proportional to 42,442.56, 63,664.32 and 14,740.80 is: 22,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.56 : 63,664.32 = 14,740.80 : x
  2. Step 2: Convert to fraction form
    42,442.56/63,664.32 = 14,740.80/x
  3. Step 3: Cross multiply
    42,442.56x = 63,664.32 × 14,740.80
  4. Step 4: Simplify right side
    42,442.56x = 938,463,008.26
  5. Step 5: Solve for x
    x = 938,463,008.26/42,442.56
  6. Step 6: Final answer
    x = 22,111.37

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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.